Exhibit 99.CERT
                                 CERTIFICATIONS

I, Jill T. McGruder, certify that:

1. I have reviewed this report on Form N-CSR of Touchstone Strategic Trust;

2. Based on my knowledge, this report does not contain any untrue statement of a
 material fact or omit to state a material fact necessary to make the statements
 made, in light of the circumstances under which such statements were made, not
 misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial
 information included in this report, fairly present in all material respects
 the financial condition, results of operations, changes in net assets, and cash
 flows (if the financial statements are required to include a statement of cash
 flows) of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for
 establishing and maintaining disclosure controls and procedures (as defined in
 Rule 30a-3(c) under the Investment Company Act of 1940) and internal control
 over financial reporting (as defined in Rule 30a-3(d) under the Investment
 Company Act of 1940) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure
 controls and procedures to be designed under our supervision, to ensure that
 material information relating to the registrant, including its consolidated
 subsidiaries, is made known to us by others within those entities, particularly
 during the period in which this report is being prepared;

 (b) Designed such internal control over financial reporting, or caused such
 internal control over financial reporting to be designed under our supervision,
 to provide reasonable assurance regarding the reliability of financial
 reporting and the preparation of financial statements for external purposes in
 accordance with generally accepted accounting principles;

 (c ) Evaluated the effectiveness of the registrant's disclosure controls and
 procedures and presented in this report our conclusions about the effectiveness
 of the disclosure controls and procedures, as of a date within 90 days prior to
 the filing date of this report based on such evaluation; and

 (d) Disclosed in this report any change in the registrant's internal control
 over financial reporting that occurred during the second fiscal quarter of the
 period covered by this report that has materially affected, or is reasonably
 likely to materially affect, the registrant's internal control over financial
 reporting; and

5. The registrant's other certifying officer and I have disclosed to the
registrant's auditors and the audit committee of the registrant's board of
directors (or persons performing the equivalent functions):



(a)  All significant deficiencies and material weaknesses in the design or
     operation of internal control over financial reporting which are reasonably
     likely to adversely affect the registrant's ability to record, process,
     summarize, and report financial information; and

(b)  Any fraud, whether or not material, that involves management or other
     employees who have a significant role in the registrant's internal control
     over financial reporting.


Date: December 6, 2006                            /s/ Jill T. McGruder
      ----------------------                      ------------------------------
                                                  Jill T. McGruder
                                                  President





                                 Exhibit 99.CERT
                                 CERTIFICATIONS

I, Terrie A. Wiedenheft, certify that:

1. I have reviewed this report on Form N-CSR of Touchstone Strategic Trust;

2. Based on my knowledge, this report does not contain any untrue statement of a
 material fact or omit to state a material fact necessary to make the statements
 made, in light of the circumstances under which such statements were made, not
 misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial
 information included in this report, fairly present in all material respects
 the financial condition, results of operations, changes in net assets, and cash
 flows (if the financial statements are required to include a statement of cash
 flows) of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for
 establishing and maintaining disclosure controls and procedures (as defined in
 Rule 30a-3(c) under the Investment Company Act of 1940) and internal control
 over financial reporting (as defined in Rule 30a-3(d) under the Investment
 Company Act of 1940) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure
 controls and procedures to be designed under our supervision, to ensure that
 material information relating to the registrant, including its consolidated
 subsidiaries, is made known to us by others within those entities, particularly
 during the period in which this report is being prepared;

 (b) Designed such internal control over financial reporting, or caused such
 internal control over financial reporting to be designed under our supervision,
 to provide reasonable assurance regarding the reliability of financial
 reporting and the preparation of financial statements for external purposes in
 accordance with generally accepted accounting principles;

 (c ) Evaluated the effectiveness of the registrant's disclosure controls and
 procedures and presented in this report our conclusions about the effectiveness
 of the disclosure controls and procedures, as of a date within 90 days prior to
 the filing date of this report based on such evaluation; and

 (d) Disclosed in this report any change in the registrant's internal control
 over financial reporting that occurred during the second fiscal quarter of the
 period covered by this report that has materially affected, or is reasonably
 likely to materially affect, the registrant's internal control over financial
 reporting; and

5. The registrant's other certifying officer and I have disclosed to the
registrant's auditors and the audit committee of the registrant's board of
directors (or persons performing the equivalent functions):



(a) All significant deficiencies and material weaknesses in the design or
 operation of internal control over financial reporting which are reasonably
 likely to adversely affect the registrant's ability to record, process,
 summarize, and report financial information; and

 (b) Any fraud, whether or not material, that involves management or other
 employees who have a significant role in the registrant's internal control over
 financial reporting.


Date: December 6, 2006                            /s/ Terrie A. Wiedenheft
      ----------------------                      ------------------------------
                                                  Terrie A. Wiedenheft,
                                                  Controller & Treasurer