San Marcos High School Advanced Placement Information

San Marcos High School offers 20+ AP courses, from English and Government to Statistics, Environmental Science, Computer Science, and Art & Design — all AP Audit–approved as rigorous, college-level classes.

Late Payment Window

• Pre-register for each exam online through AP Classroom (see your teacher)
• Pay $99.00 + $40 late fee per exam February 2 – February 6 on our ONLINE WEBSTORE  OR
  • Apply for a Federal Fee Waiver  to pay $15 per exam, and pay by February 6, at 3pm in person at the Finance Office. The waiver must have been signed by Ms. Mazzola prior to submitting.
    • Click here for more information about the Federal Fee Waiver.
• Two Payment Options:
  1. Pay online at the SMHS Webstore by Sunday, February 8, at 11:59pm – be sure to pay for the correct exam(s) OR
  2. Pay in-person by February 6, at 3pm with a check payable to San Marcos Unified School District (or SMUSD).
     • Print, fill out, and sign AP Registration form (AP Paperwork)
     • Put student ID on the front of check
• Check the receipt for accuracy. Save it for proof of payment and take a photo.
• IMMEDIATELY contact the Finance Office if you paid for the wrong exam.

Please note: 

In-person payment may be made in cash or by cashier’s check (payable to SMUSD) during the following dates and times: February 2–February 6.

Students may submit payments before school, during break or lunch, or after school until 3:35 PM.

Parents may drop off payments between 9:00–11:00 AM and 1:30–3:00 PM during these dates.

Money orders are not accepted.

Refund  Policy:

• No refunds will be issued.

Questions? Contact kristen.mazzola@smusd.org

The exam registration window for the 2026 AP Tests is now closed for non-SMHS students.