San Marcos High School
- Official San Marcos High School website
NCAA Clearinghouse
- NCAA Eligibility Center for Prospective College Student Athletes, Administration, with Rules & Guidelines (Mandatory for anyone interested in participating in Division I or II athletics).
SMHS Athletic Booster Club (ABC)
- Information about our San Marcos High School Athletic Booster Club
CIF San Diego Section
- The governing body for San Diego area High School Athletics.
NAIA Eligibility Center
- National Association of Intercollegiate Athletics (NAIA) for prospective NAIA Athletes.
NFHS (National Federation of High School Associations)
- National High School Football Governing body
SAT Website
- Website for SAT (Scholastic Aptitude Test) information and registration.
ACT Website
- Website for ACT (American College Test) information and registration.
SDSU Aztecs Football
- Official website of San Diego State Aztecs Football
USD Toreros Football
- Official website of University of San Diego Toreros Football
Palomar Comets Football
- Official website of Palomar College Comets Football
San Diego Chargers
- Official website of the San Diego Chargers
San Marcos Pop Warner Football & Cheer
- Pop Warner Football in San Marcos
San Marcos AYF Steelers Football & Cheer
- American Youth Football (AYF) in San Marcos
NFHS Learning Center "Role of Parent in Sports" course
- A Free course relating to the role parents play in the development of their children in the sports arena, from the NFHS Learning Center
Knights Baseball
- Internet home of our Baseball program.
Free Team Pages,
Free League Pages