Contact Us

Teacher Preparation Institute (TPI) Center

Building 26A, Room 1610
Mt. San Antonio College
1100 N. Grand Ave.
Walnut, CA 91789
Email: tpi@mtsac.edu
TPI Office: (909) 274-4190
Fax: (909) 468-4118

Spring 2025 Office Hours

Monday: CLOSED
Tuesday & Thursday: 9:00 a.m. - 4:00 p.m.
Wednesday: 9:00 a.m. - 2:00 p.m.
Friday-Sunday: CLOSED