Castle High School at a glance
- National rank: #1,509 (2026-27 edition)
- Indiana rank: #27
- Previous edition: Up from #2,187 in 2022-23
- Graduation rate: 88.3%
- Students: 1,948
Ranks are from the 2026-27 U.S. News & World Report Best High Schools edition. How HighSchoolTrends uses this data.