Interscholastic describes activities, competitions, or programs that happen between different schools. When your school's basketball team plays against another school's team, that's an interscholastic game. When students from various schools compete in a spelling bee or debate tournament, those are interscholastic competitions.

This distinguishes it from intramural activities, which happen within a single school (like when different homerooms play against each other in kickball).

Schools organize interscholastic sports like soccer, track, and swimming, where teams represent their school and compete for championships. But interscholastic activities aren't limited to sports: there are interscholastic chess matches, science olympiads, math competitions, and music festivals where students from different schools come together to compete or perform.

These competitions matter because they let students test their skills against peers from other schools, make new friends, and represent their school community. Being chosen for an interscholastic team or competition is often an honor, showing you've worked hard enough to represent your school beyond your own campus.