Summary prospectus DECEMBER 4, 2015

TIAA-CREF Social Choice International Equity Fund

of the TIAA-CREF Funds

Class Ticker: Advisor TSOHX

Before you invest, you may want to review the Fund’s prospectus, which contains more information about the Fund and its risks. You can find the Fund’s prospectus and other information about the Fund online at www.tiaa-cref.org/tfglobal_pro. You can also get this information at no cost by calling 800 223-1200 or by sending an e-mail request to disclosure@tiaa-cref.org. The Fund’s prospectus and Statement of Additional Information (“SAI”), each dated December 4, 2015, as subsequently supplemented, are incorporated into this Summary Prospectus by reference and may be obtained free of charge at the website, phone number or e-mail address noted above.

Investment objective

The Fund seeks a favorable long-term total return, that reflects the investment performance of the overall foreign equity markets while giving special consideration to certain environmental, social and governance (“ESG”) criteria.

Fees and expenses

This table describes the fees and expenses that you may pay if you buy and hold shares of the Fund:

SHAREHOLDER FEES (fees paid directly from your investment)

	Advisor Class
Maximum sales charge imposed on purchases (percentage of offering price)	0%
Maximum deferred sales charge	0%
Maximum sales charge imposed on reinvested dividends and other distributions	0%
Redemption or exchange fee	0%
Maximum account fee	0%

TIAA-CREF Social Choice International Equity Fund ■Summary Prospectus     1

ANNUAL FUND OPERATING EXPENSES (expenses that you pay each year as a percentage of the value of your investment)

	Advisor Class
Management fees	0.30%
Distribution (Rule 12b-1) fees	—
Other expenses1	0.85%
Total annual Fund operating expenses	1.15%
Waivers and expense reimbursements2	(0.64)%
Total annual Fund operating expenses after fee waiver and/or expense reimbursement	0.51%

1

Estimates for the current fiscal year.

2

Under the Fund’s expense reimbursement arrangements, the Fund’s investment adviser, Teachers Advisors Inc., has contractually agreed to reimburse the Fund for any Total Annual Operating Expenses (excluding interest, taxes, brokerage commissions or other transactional expenses, Acquired Fund Fees and Expenses and extraordinary expenses) that exceed 0.55% of the average daily net assets for Advisor Class shares of the Fund. These expense reimbursement arrangements will continue through at least December 3, 2016, unless changed with approval of the Board of Trustees.

Example

This example is intended to help you compare the cost of investing in shares of the Fund with the cost of investing in other mutual funds. The example assumes that you invest $10,000 in the Fund for the time periods indicated and then redeem all your shares at the end of those periods. The example also assumes that your investment has a 5% return each year and that the Fund’s operating expenses, before expense reimbursements, remain the same. The example assumes that the Fund’s expense reimbursement agreement will remain in place through December 3, 2016, but that there will be no waiver or expense reimbursement agreement in effect thereafter. Although your actual costs may be higher or lower, based on these assumptions your costs would be:

	Advisor Class
1 year	$	52
3 years	$	302

Portfolio turnover

The Fund pays transaction costs, such as commissions, when it buys and sells securities (or “turns over” its portfolio). A higher portfolio turnover rate may indicate higher transaction costs and may result in higher taxes when Fund shares are held in a taxable account. These costs, which are not reflected in annual fund operating expenses or in the example, affect the Fund’s performance. The Fund has no annual portfolio turnover rate because the Fund is newly operational.

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Principal investment strategies

Under normal circumstances, the Fund invests at least 80% of its assets in equity securities of foreign issuers. The Fund attempts to achieve the return of the foreign equity markets, as represented by its benchmark index, the Morgan Stanley Capital International EAFE^®(Europe, Australasia, Far East) Index (the “MSCI EAFE^®Index”), while investing in companies whose activities are consistent with the Fund’s ESG criteria. See “Additional information about the Fund’s benchmark index” below for more information about the Fund’s benchmark. Fund holdings may be denominated in U.S. dollars or non-U.S. dollar currencies.

The Fund’s investments are subject to certain ESG criteria. The research vendor currently providing the ESG performance evaluation is MSCI, Inc. (“MSCI”). All companies must meet or exceed minimum ESG performance standards to be eligible for inclusion in the Fund. The evaluation process favors companies with leadership in ESG performance relative to their peers. Typically, environmental assessment categories include climate change, natural resource use, waste management and environmental opportunities. Social evaluation categories include human capital, product safety and social opportunities. Governance assessment categories include corporate governance, business ethics and government and public policy. How well companies adhere to international norms and principles and involvement in major ESG controversies (examples of which may relate to the environment, customers, human rights and community, labor rights and supply chain, and governance) are other considerations.

The ESG evaluation process is conducted on an industry-specific basis and involves the identification of key performance indicators, which are given more relative weight compared to the broader range of potential assessment categories. Concerns in one area do not automatically eliminate an issuer from being an eligible investment for the Fund. When ESG concerns exist, the evaluation process gives careful consideration to how companies address the risks and opportunities they face in the context of their industry and relative to their peers. The social and environmental impact of corporate activities related to the production and sale of alcohol, tobacco, military weapons, firearms, nuclear power and gambling products and services are quantified and incorporated into a company’s overall ESG performance assessment. While not automatically excluded from the Fund, most companies involved in these industries are ineligible for inclusion in the Fund due to their poor overall ESG performance.

Once a universe of ESG-eligible companies is established, the Fund’s investment adviser, Teachers Advisors, Inc. (“Advisors”) then uses quantitative investment techniques to attempt to closely match, to the extent practicable, the overall risk characteristics of the benchmark index. Under these quantitative investment techniques, the Fund uses a risk model to evaluate the universe of stocks in which the Fund may invest and to help construct a broadly diversified group of stocks. The Fund holdings will generally consist of a subset of the

TIAA-CREF Social Choice International Equity Fund ■Summary Prospectus     3

eligible investment universe. The Fund is not required to invest in all of the companies that meet the ESG criteria.

The Corporate Governance and Social Responsibility Committee (the “CGSR Committee”) of the Board of Trustees of the Trust (“Board of Trustees”) reviews the ESG criteria used to determine eligibility of the securities held by the Fund and approves the vendor of that service. Advisors seeks to ensure that the Fund’s investments are consistent with its ESG criteria, but Advisors cannot guarantee that this will always be the case for every Fund investment. Consistent with its responsibilities, the CGSR Committee evaluates options for implementing the Fund’s ESG investment criteria and monitors the ESG vendor(s) selected to supply the ESG-eligible universe. Advisors has the right to change the ESG vendor(s) at any time and to add to the number of vendors providing the universe of eligible companies. Investing on the basis of ESG criteria is qualitative and subjective by nature, and there can be no assurance that the process utilized by the Fund’s vendor(s) or any judgment exercised by the CGSR Committee or Advisors will reflect the beliefs or values of any particular investor.

The ESG criteria the Fund takes into consideration are non-fundamental investment policies. Such criteria and the universe of investments that the Fund utilizes may be changed without the approval of the Fund’s shareholders. For purposes of the 80% investment policy, the term “assets” means net assets, plus the amount of any borrowings for investment purposes.

Principal investment risks

You could lose money over short or long periods by investing in this Fund. An investment in the Fund, due to the nature of the Fund’s portfolio holdings, typically is subject to the following principal investment risks:

·ESG Criteria Risk—The risk that because the Fund’s ESG criteria exclude securities of certain issuers for nonfinancial reasons, the Fund may forgo some market opportunities available to funds that do not use these criteria.

·Market Risk—The risk that market prices of portfolio investments held by the Fund may fall rapidly or unpredictably due to a variety of factors, including changing economic, political or market conditions. Market risk may affect a single issuer, industry or sector of the economy, or it may affect the market as a whole.

·Issuer Risk (often called Financial Risk)—The risk that an issuer’s earnings prospects and overall financial position will deteriorate, causing a decline in the value of the issuer’s financial instruments over short or extended periods of time.

·Foreign Investment Risk—Foreign markets can be more volatile than the U.S. market due to increased risks of adverse issuer, political, regulatory, currency, market or economic developments and can result in greater price volatility and perform differently from financial instruments of U.S. issuers. This risk may be heightened in emerging or developing markets. Foreign

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investments may also be less liquid and more difficult to value than investments in U.S. issuers.

·Large-Cap Risk—The risk that large-capitalization companies are more mature and may grow more slowly than the economy as a whole and tend to go in and out of favor based on market and economic conditions.

·Mid-Cap Risk—The risk that the stocks of mid-capitalization companies often experience greater price volatility, lower trading volume and less liquidity than the stocks of larger, more established companies.

·Active Management Risk—The risk that Advisors’ strategy, investment selection or trading execution may cause the Fund to underperform relative to the benchmark index or mutual funds with similar investment objectives.

·Benchmark Risk—The risk that the Fund’s performance may not correspond to its benchmark index for any period of time and may underperform such index or the overall financial market. Additionally, to the extent that the Fund’s investments vary from the composition of its benchmark index, the Fund’s performance could potentially vary from the index’s performance to a greater extent than if the Fund merely attempted to replicate the index.

·Quantitative Analysis Risk—The risk that stocks selected using quantitative modeling and analysis could perform differently from the market as a whole.

Please see the non-summary portion of the Prospectus for more detailed information about the risks described above.

Past performance

Performance information is not available for the Fund because the Fund has less than one calendar year of performance.

For current performance information of each share class, including performance to the most recent month-end, please visit www.tiaa-cref.org.

Portfolio management

Investment Adviser. The Fund’s investment adviser is Teachers Advisors, Inc.

Portfolio Managers. The following persons manage the Fund on a day-to-day basis:

Name:	Philip James (Jim) Campagna, CFA	Lei Liao, CFA
Title:	Senior Director	Director
Experience on Fund:	since 2015	since 2015

Purchase and sale of Advisor Class shares

Advisor Class shares are available for purchase through certain financial intermediaries, employee benefit plans and insurance company separate accounts. The Fund also offers Institutional, Retirement, Premier and Retail Class shares, which are offered through another prospectus that contains information about their respective eligibility criteria.

TIAA-CREF Social Choice International Equity Fund ■Summary Prospectus     5

Redeeming or Exchanging Shares. You can redeem (sell) or exchange your shares of the Fund on any day that the New York Stock Exchange (“NYSE”) is open for business. Exchanges may be made for shares of the same share class of other funds offered by the Trust. If your shares are held through a third party, please contact that entity for applicable redemption or exchange requirements.

Tax information

The Fund intends to make distributions to shareholders that may be taxed as ordinary income or capital gains. Distributions made to tax-exempt shareholders or shareholders who hold Fund shares in a tax-deferred account are generally not subject to income tax in the current year, but redemptions made from tax-deferred accounts may be subject to income tax.

Payments to broker-dealers and other financial intermediary compensation

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

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