Garland Isd Calendar 2025. This garland isd instructional academic school calendar is extremely important as it keeps you informed of garland high school grading periods, early dismissal dates, staff development. Waitlist/intent to return portal (opens in new window/tab)

Students must keep a check on the school. There will be much to do for the next two years to ensure the class of 2025 has the best possible junior and senior.