SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

SCHEDULE 13G

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO

RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO RULE 13d-2

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

x Rule 13d-1(c)

¨ Rule 13d-1(d)

SCHEDULE 13G

This Schedule 13G (this “Schedule 13G”) is being filed on behalf of North Run Advisors, LLC, a Delaware limited liability company (“North Run”), North Run GP, LP, a Delaware limited partnership (the “GP”), North Run Capital, LP, a Delaware limited partnership (the “Investment Manager”), Todd B. Hammer and Thomas B. Ellis (collectively, the “Reporting Persons”). Todd B. Hammer and Thomas B. Ellis are the principals and sole members of North Run. North Run is the general partner of both the GP and the Investment Manager. The GP is the general partner of each of North Run Capital Partners, LP, a Delaware limited partnership (the “Fund”), North Run Qualified Partners, LP, a Delaware limited partnership (the “QP Fund”), and North Run Master Fund, LP, a Cayman Islands exempted limited partnership (the “Master Fund”). The Fund, the QP Fund and North Run Offshore Partners, Ltd., a Cayman Islands exempted company (the “Offshore Fund”), are also general partners of the Master Fund. This Schedule 13G relates to shares of Common Stock, par value $0.01 per share (the “Common Stock”), of Christopher & Banks Corporation, a Delaware corporation (the “Issuer”), held by the Master Fund.

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SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

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EXHIBIT 24-1

POWER OF ATTORNEY

I hereby constitute and appoint Sarah L. Filion, as my true and lawful attorney-in-fact to:

I hereby grant to such attorney-in-fact full power and authority to do and perform any and every act requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as I might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.

This Power of Attorney shall remain in full force and effect until the persons identified in clause (1) above are no longer required to file statements of beneficial ownership on Schedule 13G, unless I earlier revoke it in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, I have caused this Power of Attorney to be executed as of this 11^th day of December, 2009.

EXHIBIT 24-2

POWER OF ATTORNEY

I hereby constitute and appoint Sarah L. Filion, as my true and lawful attorney-in-fact to:

I hereby grant to such attorney-in-fact full power and authority to do and perform any and every act requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as I might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in-fact’s substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney and the rights and powers herein granted.

This Power of Attorney shall remain in full force and effect until the persons identified in clause (1) above are no longer required to file statements of beneficial ownership on Schedule 13G, unless I earlier revoke it in a signed writing delivered to the attorney-in-fact.

IN WITNESS WHEREOF, I have caused this Power of Attorney to be executed as of this 11^th day of December, 2009.

EXHIBIT 99-1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13G (including any and all amendments thereto) with respect to the Common Stock, par value $0.01 per share, of Christopher & Banks Corporation, and further agree that this Joint Filing Agreement shall be included as an Exhibit to such joint filings.

The undersigned further agree that each party hereto is responsible for the timely filing of such Statement on Schedule 13G and any amendments thereto, and for the accuracy and completeness of the information concerning such party contained therein; provided, however, that no party is responsible for the accuracy or completeness of the information concerning any other party, unless such party knows or has reason to believe that such information is inaccurate.

This Joint Filing Agreement may be signed in counterparts with the same effect as if the signature on each counterpart were upon the same instrument.

[Signature Page Follows]

IN WITNESS WHEREOF, the undersigned have executed this Agreement as of April 9, 2012.