St. Louis area school reports › St. Louis County › Ladue
Ladue Horton Watkins High
Ladue Horton Watkins High is a public high school in the Ladue district, serving grades 9-12 in St. Louis, St. Louis County, Missouri. In Missouri's 2025 Annual Performance Report, it earned 82.2% of possible points. That is 2.7 points higher than its 2023 score.
Annual Performance Report score, last three years
- 202379.5%
- 202484.0%
- 202582.2%
The APR score is the share of possible points a school earned under the Missouri School Improvement Program (MSIP 6), covering test performance, growth, attendance and, for high schools, graduation and college and career readiness. DESE compares these scores year over year in its 2025 release.
How it compares with other St. Louis County high schools
| Measure (2025) | This school | County median | Diff. |
|---|---|---|---|
| APR score (% of points earned) | 82.2% | 80.7%28 schools | +1.5 |
| English language arts index (MPI) | 427.7 | 407.028 schools | +20.7 |
| Math index (MPI) | 391.4 | 401.528 schools | -10.1 |
| Graduation rate | Not reported | Not enough data | n/a |
Median of other tested high schools in the 17 St. Louis County districts this site covers, this school excluded, not weighted by enrollment. MPI is DESE's MAP Performance Index, a composite of students' state test performance levels.
DESE status level, 2025: English language arts Target, math On Track. These are the state's own labels; see the MSIP 6 guidance for how they are set.
What stands out
- English language arts index (MPI) is 20.7 above the median for other St. Louis County high schools (407.0). A relative strength.
- Math index (MPI) is 10.1 below the median for other St. Louis County high schools (401.5). Worth asking the school about.
Before you buy for this school
- Confirm the attendance boundary for the exact address with the Ladue district. Boundaries change, and a listing's school field is not a guarantee.
- Visit. A score summarizes tests, growth and attendance. It does not describe a classroom.
- Read the full APR on DESE's MCDS portal for student-group results and growth.
Looking for a home near Ladue Horton Watkins High?
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Other schools in Ladue
- Conway Elementary
- Ladue Fifth Grade Center
- Ladue Middle
- Old Bonhomme Elementary
- Reed Elementary
- Spoede Elementary
All St. Louis area school reports
Sources
- Missouri DESE MSIP 6 APR Summary and Supporting Building Reports, 2023, 2024 and 2025, retrieved 2026-10-06
- NCES school directory: Ladue Horton Watkins High (address, enrollment, 2023-24)
- DESE 2025 APR news release
This page reports state and federal published data. It is not a rating or recommendation by Single Tree Team.
