Filed with the Securities and Exchange Commission on August 16, 2013

Securities Act of 1933 File No. 002-80859

Investment Company Act of 1940 File No. 811-03651

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 x

Pre-Effective Amendment No.

Post-Effective Amendment No. 99

and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 x

Amendment No. 99

(Check appropriate box or boxes.)

TOUCHSTONE STRATEGIC TRUST

(Exact name of Registrant as Specified in Charter)

303 Broadway, Suite 1100, Cincinnati, Ohio 45202

(Address of Principal Executive Offices) Zip Code

Registrant’s Telephone Number, including Area Code (513) 878-4066

Jill T. McGruder, 303 Broadway, Cincinnati, OH 45202

(Name and Address of Agent for Service)

With Copies to:

John M. Ford, Esq.

Pepper Hamilton LLP

3000 Two Logan Square

Philadelphia, PA 19103

It is proposed that this filing will become effective (check appropriate box)

x immediately upon filing pursuant to paragraph (b)

o on (date) pursuant to paragraph (b)

o 60 days after filing pursuant to paragraph (a)(1)

o on (date) pursuant to paragraph (a)(1)

o 75 days after filing pursuant to paragraph (a)(2)

o on (date) pursuant to paragraph (a)(2) of rule 485. If appropriate, check the following box:

o This post-effective amendment designates a new effective date for a previously filed post-effective amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933, as amended, and the Investment Company Act of 1940, as amended, the Registrant certifies that it meets all of the requirement for effectiveness of this Post-Effective Amendment No. 99 to its Registration Statement on Form N-1A under Rule 485(b) under the Securities Act of 1933, as amended, and has duly caused this Post-Effective Amendment No. 99 to its Registration Statement on Form N-1A to be signed on its behalf by the undersigned, duly authorized, in the City of Cincinnati, and State of Ohio on the 16^th day of August 2013.

TOUCHSTONE STRATEGIC TRUST

By: /s/ Jill T. McGruder

Jill T. McGruder

President

Pursuant to the requirements of the Securities Act of 1933, as amended, this Post-Effective Amendment No. 99 to the Registrant’s Registration Statement on Form N-1A has been signed below by the following persons in the capacities and on the dates indicated.

*	Trustee	August 16, 2013
_________________
Phillip R. Cox
*	Trustee	August 16, 2013
_________________
William C. Gale
*	Trustee	August 16, 2013
_________________
H. Jerome Lerner
*	Trustee	August 16, 2013
_________________
Donald C. Siekmann
*	Trustee	August 16, 2013
_________________
Susan J. Hickenlooper
/s/Jill T. McGruder	Trustee and President	August 16, 2013
Jill T. McGruder
/s/Terrie A. Wiedenheft	Controller, Treasurer	August 16, 2013
Terrie A. Wiedenheft	and Principal Financial
	Officer

*By:	_/s/Terrie A. Wiedenheft___________________
	Terrie A. Wiedenheft
	(Attorney-in-Fact Pursuant to Power of Attorney)

EXHIBIT INDEX

EXHIBIT NO.	DESCRIPTION OF EXHIBIT
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Labels Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase