St. Clair High
🇺🇸 Official data · 2025ST Clair, Missouri 63077 · St. Clair R-Xiii
#299 of 497 high schools in Missouri
#9376 of 16,910 nationally
About St. Clair High
St. Clair High is a public high located in ST Clair, in the St. Clair R-Xiii school district of Missouri, United States. It caters for Grades 9–12. In 2025 it enrolled 627 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 46.3 out of 100, placing it in the lower 50% of high schools in United States and 299th of 497 ranked high schools in Missouri. Its strongest component is students per teacher (61th percentile), and its weakest is math proficiency (38th percentile).
Other published figures: enrollment 627.
There are 4 schools in ST Clair; St. Clair High ranks 3rd of 4 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)32%
- Reading proficiency (30%)47%
- Community advantage (fewer free/reduced-price lunch) (25%)46.7%
- Students per teacher (15%)13.6
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for St. Clair High by the official sources.
- Enrollment
- 627
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 46.7%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 47%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 32%
- Share of tested students proficient or above (all students, all grades).
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Schools near St. Clair High
Closest schools by straight-line distance, with their Success Index (US).
St. Clair Jr. High
ST Clair · Public middle · Grades 6–8
451 students · 128 m away
Edgar Murray Elem.
ST Clair · Public elementary · Grades 3–5
429 students · 165 m away
St. Clair Elem.
ST Clair · Public elementary · Grades PK–2
441 students · 708 m away
Prairie Dell Elementary
Union · Public elementary · Grades PK–5
495 students · 10 km away
Central Elem.
Union · Public elementary · Grades PK–5
643 students · 12 km away
Union Middle
Union · Public middle · Grades 6–8
704 students · 13 km away
Union High
Union · Public high · Grades 9–12
956 students · 13 km away
Lonedell Elem.
Lonedell · Public elementary · Grades PK–8
327 students · 15 km away
Similar schools
Public high schools in Missouri with a comparable Enrollment.
Vashon High
ST Louis · Public high · Grades 9–12
621 students
Clinton Sr. High
Clinton · Public high · Grades 9–12
614 students
Fredericktown High
Fredericktown · Public high · Grades 9–12
611 students
Lafayette High
ST Joseph · Public high · Grades 9–12
644 students
McKinley Class. Leadership Ac.
ST Louis · Public high · Grades 6–12
610 students
St. Charles West High
ST Charles · Public high · Grades 9–12
645 students
Frequently asked questions
Is St. Clair High a good school?
St. Clair High has a Success Index (US) of 46.3 out of 100 (Lower 50% of high schools in United States) and ranks #299 of 497 in Missouri. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does St. Clair High rank in Missouri?
St. Clair High ranks #299 of 497 high schools in Missouri and #9376 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend St. Clair High?
St. Clair High had 627 students in 2025.
Is St. Clair High a elementary school or a high school?
St. Clair High is classified as a high covering Grades 9–12. It is a public school.
What other schools are near St. Clair High?
There are 8 schools within 15 km of St. Clair High; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.