Home of the Knights
Welcome to San Marcos High School
San Marcos High School believes in empowering the personal growth and honorable contributions of all Knights through high academic, personal, and social expectations of the entire school community.
November 10, 2026
Want to earn college credit while in high school? San Marcos High School has limited spots available in select Dual Enrollment courses for Spring 2027!📚 Available Courses:Asynchronous (Online): AJ1...
October 23, 2026
🚨⏰ NEXT WEEK IS YOUR LAST CHANCE TO PURCHASE CHROMEBOOK INSURANCE! Protect Your Student’s Chromebook for the Entire School Year — Just $25!Accidents happen! A dropped Chromebook, unexpected damage,...
August 25, 2026
🚗 START SMART PROGRAM – Tuesday, September 15 Students who plan to park on campus during their junior or senior year must complete the Start Smart Program in order to receive a future parking permi...
August 24, 2026
AP Exam payment is now open! Students can pay for their AP Exams online through the SMHS Web Store.Deadline to pay: October 30, 2026To make your payment:Select School → San Marcos High → Other Item...
August 20, 2026
Get Ready for the PSAT ✏️The PSAT is coming up on Saturday, October 17th for grades 9-11.Students taking the test should plan to arrive at school by 7:30 AM so there is plenty of time to get ready ...
August 18, 2026
Dual Enrollment Fall 2026 — Important Dates📣 San Marcos High School Dual Enrollment Students: Mark Your Calendars!Students participating in a Dual Enrollment class for Fall 2026 have several import...
August 8, 2026
Attention San Marcos High School Students! Fall 2026 Dual Enrollment opportunities are here, but spots are limited and available on a first-come, first-served basis. If you're interested in earning...
August 1, 2026
Students planning to participate in sports, band, dance, or cheer during the 2026–2027 school year must complete the required Sports Physical and Online Athletic Clearance process before participat...
