GHSD is a suburban school district with 4 schools. For the 2026-2027 school year, classes begin August 13 and end December 17. District 225 serves 5,132 students across Glenbrook North and Glenbrook South high schools and publishes its calendar in six languages including Korean, Mongolian, Spanish, Russian, and Ukrainian. This calendar includes 5 early-release or half days — useful to know when planning childcare.
Also known as GHSD.