International School of America at a glance
- National rank: #1,120 (2026-27 edition)
- Texas rank: #144
- Previous edition: Down from #479 in 2022-23
- Graduation rate: 99.2%
- Students: 493
Ranks are from the 2026-27 U.S. News & World Report Best High Schools edition. How HighSchoolTrends uses this data.