Southside ISD – District Calendar
Southside ISD Campus Calendars:
| Southside High School | Julius L. Matthey Middle School | Losoya Intermediate | William Pearce Primary |
| Julian C. Gallardo Elementary | Freedom Elementary | Heritage Elementary | Menchaca Early Childhood Center |
Southside ISD Athletics Calendars:
| Matthey MS - Athletics Calendar |
| Southside HS - Athletics Calendar |
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