Certification Pursuant to Rule 30a-2(b) under the 1940 Act and Section 906 of the
Sarbanes-Oxley Act

I, Jill T. McGruder, President of Touchstone Strategic Trust (the “Registrant”), certify that:

1. The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date:   11/21/12                                /s/ Jill T. McGruder                        Jill T. McGruder, President (principal executive officer)

I, Terrie A. Wiedenheft, Controller and Treasurer of Touchstone Strategic Trust (the “Registrant”), certify that:

1. The Form N-CSR of the Registrant (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant.

Date:  11/21/12                                 /s/ Terrie A. Wiedenheft                         Terrie A. Wiedenheft, Controller and Treasurer (principal financial officer)