DFA MN Municipal Bond Portfolio

SHARE CLASS (TICKER): INSTITUTIONAL CLASS (DMNBX)

Summary Prospectus

February 28, 2021

Before you invest, you may want to review the Portfolio’s Prospectus, which contains more information about the Portfolio and its risks. You can find the Portfolio’s Prospectus and other information about the Portfolio, including the Statement of Additional Information (SAI) and most recent reports to shareholders, when available, online at https://us.dimensional.com/fund-documents. You can also get this information at no cost by calling collect to (512) 306-7400 or by sending an e-mail request to document_requests@dimensional.com. The Portfolio’s Prospectus and SAI, both dated February 28, 2021, as may be supplemented, are incorporated by reference into this Summary Prospectus.

Investment Objective

The investment objective of the DFA MN Municipal Bond Portfolio (the “MN Municipal Bond Portfolio” or the “Portfolio”) is to seek to provide current income that is expected to be exempt from federal personal income taxes and Minnesota state personal income taxes.

Fees and Expenses of the Portfolio

This table describes the fees and expenses you may pay if you buy and hold shares of the MN Municipal Bond Portfolio.

Shareholder Fees (fees paid directly from your investment): None

Annual Fund Operating Expenses (expenses that you pay each year as a percentage of the value of your investment)

Management Fee	0.25%
Other Expenses	0.12%
Total Annual Fund Operating Expenses	0.37%
Fee Waiver and/or Expense Reimbursement*	0.05%
Total Annual Fund Operating Expenses After Fee Waiver and/or Expense Reimbursement	0.32%

* Dimensional Fund Advisors LP (the “Advisor”) has agreed to waive certain fees and in certain instances, assume certain expenses of the MN Municipal Bond Portfolio. The Fee Waiver and Expense Assumption Agreement for the Portfolio will remain in effect through February 28, 2022, and may only be terminated by the Fund’s Board of Directors prior to that date. Under certain circumstances, the Advisor retains the right to seek reimbursement for any fees previously waived and/or expenses previously assumed up to thirty-six months after such fee waiver and/or expense assumption.

EXAMPLE

This Example is meant to help you compare the cost of investing in the MN Municipal Bond Portfolio with the cost of investing in other mutual funds. The Example assumes that you invest $10,000 in the Portfolio for the time periods indicated. The Example also assumes that your investment has a 5% return each year and that the Portfolio’s operating expenses remain the same. The costs for the Portfolio reflect the net expenses of the Portfolio that result from the contractual expense waiver in the first year only. Although your actual costs may be higher or lower, based on these assumptions, your costs would be:

1 Year			3 Years			5 Years			10 Years
	$	33		$	114		$	203		$	463

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PORTFOLIO TURNOVER

The MN Municipal Bond Portfolio pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover may indicate higher transaction costs and may result in higher taxes when Portfolio shares are held in a taxable account. These costs, which are not reflected in Annual Fund Operating Expenses or in the Example, affect the Portfolio’s performance. During the most recent fiscal year, the Portfolio’s portfolio turnover rate was 27% of the average value of its investment portfolio.

Principal Investment Strategies

The MN Municipal Bond Portfolio seeks its investment objective by investing primarily in a universe of municipal securities issued by or on behalf of Minnesota state or local governments and their agencies, instrumentalities and regional governmental authorities, the interest on which is exempt from regular federal income tax and the state personal income tax of Minnesota. Municipal securities in which the Portfolio may invest include, among others, revenue bonds, general obligation bonds, industrial development bonds, municipal lease obligations, commercial paper, variable rate demand obligations and other instruments (including participation interests in such securities). The Portfolio invests in municipal and other fixed income securities that have an investment grade credit rating.

The MN Municipal Bond Portfolio intends to invest in municipal securities that in the opinion of bond counsel for the issuers and under current tax law provide interest that is exempt from Minnesota state and federal personal income taxes. The Portfolio is required, and intends, to derive at least 95% of its exempt-interest dividends from interest on Minnesota municipal securities in order for any of its income to be exempt from Minnesota state personal income tax. As a fundamental investment policy, under normal market conditions, the Portfolio will invest at least 80% of its net assets in municipal securities that pay interest exempt from federal personal income tax and the Minnesota state personal income tax. The Portfolio does not currently intend to invest its assets in municipal securities whose interest is subject to the federal alternative minimum tax.

Generally, the MN Municipal Bond Portfolio will acquire obligations that mature within twenty years from the date of settlement. Under normal circumstances, the Portfolio will maintain a dollar-weighted average portfolio duration of no greater than six years. If a security has been redeemed by the issuer at a date prior to the stated final maturity date for the purposes of the above duration restriction, the early redemption date shall be considered the maturity date regardless of the stated final maturity. From time to time, the Portfolio may deviate from this average duration when the Advisor determines it to be appropriate under the circumstances. Duration is a measure of the sensitivity of a security’s price to changes in interest rates. The longer a security’s duration, the more sensitive it will be to changes in interest rates.

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Municipal securities are often issued to obtain funds for various public purposes, including the construction of a wide range of public facilities, such as bridges, highways, housing, hospitals, mass transportation facilities, schools, streets and public utilities, such as water and sewer works. Municipal securities include municipal leases, certificates of participation, municipal obligation components and municipal custody receipts. The MN Municipal Bond Portfolio may invest more than 25% of its assets in municipal securities issued to finance projects in a particular segment of the bond market including, but not limited to, health care, housing, education, utilities, and transportation. The Portfolio also may invest more than 25% of its assets in industrial development bonds.

The MN Municipal Bond Portfolio may (1) purchase certain municipal securities that are insured, (2) invest in municipal securities secured by mortgages on single-family homes and multi-family projects, (3) invest in pre-refunded municipal securities, (4) purchase tax-exempt municipal securities on a “when-issued” basis and (5) use fixed income related futures and options contracts, credit default swaps and interest rate swaps to hedge against changes in interest rates. The Portfolio may also purchase or sell futures contracts and options on futures contracts, to increase or decrease market exposure based on actual or expected cash inflows to or outflows from the Portfolio.

Although the MN Municipal Bond Portfolio attempts to invest all of its assets in tax-exempt securities, it is possible, although not anticipated, that a portion of its assets may be invested in securities that pay taxable interest, including interest that may be subject to the federal alternative minimum tax. These investments could generate taxable income for shareholders.

The MN Municipal Bond Portfolio is primarily designed for investment by Minnesota tax payers.

The MN Municipal Bond Portfolio is “non-diversified,” which means that the Portfolio may invest its assets in a smaller number of issuers than a diversified fund.

Principal Risks

Because the value of your investment in the MN Municipal Bond Portfolio will fluctuate, there is the risk that you will lose money. An investment in the Portfolio is not a deposit of a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation or any other government agency. The following is a description of principal risks of investing in the Portfolio.

Market Risk: Even a long-term investment approach cannot guarantee a profit. Economic, political, and issuer-specific events will cause the value of securities, and the Portfolio that owns them, to rise or fall.

Interest Rate Risk: Fixed income securities are subject to interest rate risk because the prices of fixed income securities tend to move in the opposite direction of

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interest rates. When interest rates rise, fixed income security prices fall. When interest rates fall, fixed income security prices rise. In general, fixed income securities with longer maturities are more sensitive to changes in interest rates.

Non-Diversification Risk: The risk that the Portfolio may be more volatile than a diversified fund because the Portfolio invests its assets in a smaller number of issuers. The gains or losses on a single security, therefore, may have a greater impact on the Portfolio’s net asset value.

Credit Risk: Credit risk is the risk that the issuer of a security, including a governmental entity, may be unable to make interest payments and/or repay principal when due. A downgrade to an issuer’s credit rating or a perceived change in an issuer’s financial strength may affect a security’s value, and thus, impact the Portfolio’s performance. The ability of a municipal securities issuer to make payments could be affected by litigation, legislation or other political events or the bankruptcy of the issuer.

Income Risk: Income risk is the risk that falling interest rates will cause the Portfolio’s income to decline because, among other reasons, the proceeds from maturing short-term securities in its portfolio may be reinvested in lower-yielding securities.

Tax Liability Risk: Tax liability risk is the risk that distributions by the Portfolio become taxable to shareholders due to noncompliant conduct by a municipal bond issuer, unfavorable changes in federal or state tax laws, or adverse interpretations of tax laws by the Internal Revenue Service or state tax authorities or other factors. Such adverse interpretations or actions could cause interest from a security to become taxable, possibly retroactively, subjecting, shareholders to increased tax liability. In addition, such adverse interpretations or actions could cause the value of a security, and therefore, the value of the Portfolio’s shares, to decline.

Municipal Securities Risk: The risk of a municipal security generally depends on the financial and credit status of the issuer. Municipal securities can be significantly affected by political, regulatory or economic changes, including changes made in the law after issuance of the securities, as well as uncertainties in the municipal market related to taxation, legislative changes or the rights of municipal security holders, including in connection with an issuer’s insolvency.

State-Specific Risk: Because the Portfolio focuses its investments primarily in Minnesota municipal securities, the value of the Portfolio’s investments will be highly sensitive to events affecting the fiscal stability of the State of Minnesota and its agencies, municipalities, authorities and other instrumentalities that issue securities. Having a significant percentage of its assets invested in the securities of fewer issuers, particularly obligations of government issuers of a single state could result in greater credit risk exposure to a smaller number of issuers due to economic, regulatory or political problems in Minnesota. Also, to the extent that the Portfolio makes significant investments in securities issued to finance projects

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in a particular segment of the Minnesota municipal securities market such focused investment may cause the value of the Portfolio’s shares to change more than the value of shares of funds that invest more broadly. These risks are disclosed in more detail in the Portfolio’s Statement of Additional Information.

Derivatives Risk: Derivatives are instruments, such as swaps and futures contracts, and options thereon, whose value is derived from that of other assets, rates or indices. Derivatives can be used for hedging (attempting to reduce risk by offsetting one investment position with another) or non-hedging purposes. Hedging with derivatives may increase expenses, and there is no guarantee that a hedging strategy will work. While hedging can reduce or eliminate losses, it can also reduce or eliminate gains or cause losses if the market moves in a manner different from that anticipated by the Portfolio or if the cost of the derivative outweighs the benefit of the hedge. The use of derivatives for non-hedging purposes may be considered to carry more risk than other types of investments. When the Portfolio uses derivatives, the Portfolio will be directly exposed to the risks of those derivatives. Derivative instruments are subject to a number of risks including counterparty, liquidity, interest rate, market, credit and management risks, as well as the risk of improper valuation. Changes in the value of a derivative may not correlate perfectly with the underlying asset, rate or index, and the Portfolio could lose more than the principal amount invested. Additional risks are associated with the use of swaps including counterparty and credit risk (the risk that the other party to a swap agreement will not fulfill its contractual obligations, whether because of bankruptcy or other default) and liquidity risk (the possible lack of a secondary market for the swap agreement). Credit risk increases when the Portfolio is the seller of swaps and counterparty risk increases when the Portfolio is a buyer of swaps. In addition, where the Portfolio is the seller of swaps, it may be required to liquidate portfolio securities at inopportune times in order to meet payment obligations or segregation requirements. Swaps may be illiquid or difficult to value. Additionally, payments made or received by the Portfolio under such derivatives may increase the amount of distributions taxable to you as ordinary income, increase or decrease the amount of capital gain distributions to you and/or decrease the amount available for distribution to you as exempt-interest dividends.

Liquidity Risk: Liquidity risk exists when particular portfolio investments are difficult to purchase or sell. To the extent that the Portfolio holds illiquid investments, the Portfolio’s performance may be reduced due to an inability to sell the investments at opportune prices or times. Liquid portfolio investments may become illiquid or less liquid after purchase by the Portfolio due to low trading volume, adverse investor perceptions and/or other market developments. Liquidity risk includes the risk that the Portfolio will experience significant net redemptions at a time when it cannot find willing buyers for its portfolio securities or can only sell its portfolio securities at a material loss or at increased costs. Liquidity risk can be more pronounced in periods of market turmoil or in situations where ownership of shares of the Portfolio are concentrated in one or a few investors.

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Operational Risk: Operational risks include human error, changes in personnel, system changes, faults in communication, and failures in systems, technology, or processes. Various operational events or circumstances are outside the Advisor’s control, including instances at third parties. The Portfolio and the Advisor seek to reduce these operational risks through controls and procedures. However, these measures do not address every possible risk and may be inadequate to address these risks.

Cyber Security Risk: The Portfolio’s and its service providers’ use of internet, technology and information systems may expose the Portfolio to potential risks linked to cyber security breaches of those technological or information systems. Cyber security breaches, amongst other things, could allow an unauthorized party to gain access to proprietary information, customer data, or fund assets, or cause the Portfolio and/or its service providers to suffer data corruption or lose operational functionality.

Performance

The bar chart and table immediately following illustrate the variability of the MN Municipal Bond Portfolio’s returns and are meant to provide some indication of the risks of investing in the Portfolio. The bar chart shows the changes in the Portfolio’s performance from year to year. The table illustrates how annualized one year and since inception returns, both before and after taxes, compare with those of a broad measure of market performance. The Portfolio’s past performance (before and after taxes) is not an indication of future results. Updated performance information for the Portfolio can be obtained by visiting http://us.dimensional.com.

The after-tax returns presented in the table for the MN Municipal Bond Portfolio are calculated using the historical highest individual federal marginal income tax rates and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown in the table. In addition, the after-tax returns shown are not relevant to investors who hold shares of the Portfolio through tax-advantaged arrangements, such as 401(k) plans or individual retirement accounts.

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DFA MN Municipal Bond Portfolio Institutional Class Shares—Total Returns

January 2018-December 2020
Highest Quarter	Lowest Quarter
1.55% (4/20–6/20)	-0.72% (1/18–3/18)

Annualized Returns (%)

Periods ending December 31, 2020

	1 Year			Since 7/25/17 Inception
DFA MN Municipal Bond Portfolio
Return Before Taxes		2.01	%		1.52	%
Return After Taxes on Distributions		1.88	%		1.48	%
Return After Taxes on Distributions and Sale of Portfolio Shares		1.72	%		1.41	%
S&P Intermediate Term National AMT-Free Municipal Bond Index (reflects no deduction for fees, expenses, or taxes on sales)		4.49	%		3.72	%

Investment Advisor/Portfolio Management

Dimensional Fund Advisors LP serves as the investment advisor for the MN Municipal Bond Portfolio. Dimensional Fund Advisors Ltd. and DFA Australia Limited serve as the sub-advisors for the Portfolio. The following individuals are responsible for leading the day-to-day management of the Portfolio:

• Joseph F. Kolerich, Head of Fixed Income, Americas, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2017).

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• David A. Plecha, Global Head of Fixed Income Portfolio Management, member of the Investment Committee, Vice President, and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since inception (2017).

• Travis A. Meldau, Vice President and Senior Portfolio Manager of the Advisor, has been a portfolio manager of the Portfolio since 2018.

Purchase and Redemption of Fund Shares

Investors may purchase or redeem shares of the MN Municipal Bond Portfolio on each day that the NYSE is scheduled to be open for business by first contacting the Portfolio’s transfer agent at (888) 576-1167. Shareholders that invest in the Portfolio through a financial intermediary should contact their financial intermediary regarding purchase and redemption procedures. The Portfolio generally is available for investment only by institutional clients, clients of registered investment advisors, clients of financial institutions and a limited number of certain other investors as approved from time to time by the Advisor. All investments are subject to approval of the Advisor.

Tax Information

The distributions you receive from the MN Municipal Bond Portfolio primarily are exempt from regular federal and state income taxes for individual residents of Minnesota. A portion of these distributions, however, may be subject to the federal alternative minimum tax. The Portfolio may also make distributions that are taxable to you as ordinary income or capital gains.

Payments to Financial Intermediaries

If you purchase the MN Municipal Bond Portfolio through a broker-dealer or other financial intermediary (such as a bank), the Portfolio and its related companies may pay the intermediary for the sale of the Portfolio shares and/or related services. These payments may create a conflict of interest by influencing the financial intermediary to recommend the Portfolio over another investment. Ask your financial advisor or visit your financial intermediary’s website for more information.

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