St. Croix Preparatory Academy Upper
🇺🇸 Official data · 2025Stillwater, Minnesota 55082 · St. Croix Preparatory Academy
#1 of 433 high schools in Minnesota
#144 of 16,910 nationally
About St. Croix Preparatory Academy Upper
St. Croix Preparatory Academy Upper is a charter high located in Stillwater, in the St. Croix Preparatory Academy school district of Minnesota, United States. It caters for Grades 9–12. In 2025 it enrolled 391 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 92.0 out of 100, placing it in the top 5% of high schools in United States and 1st of 433 ranked high schools in Minnesota. Its strongest component is community advantage (fewer free/reduced-price lunch) (98th percentile), and its weakest is students per teacher (66th percentile).
Other published figures: enrollment 391.
There are 12 schools in Stillwater; St. Croix Preparatory Academy Upper ranks 1st of 12 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)92%
- Reading proficiency (30%)92%
- Community advantage (fewer free/reduced-price lunch) (25%)9.2%
- Students per teacher (15%)13.0
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. Croix Preparatory Academy Upper by the official sources.
- Enrollment
- 391
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 9.2%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 13.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 92%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 92%
- Share of tested students proficient or above (all students, all grades).
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Schools near St. Croix Preparatory Academy Upper
Closest schools by straight-line distance, with their Success Index (US).
St. Croix Preparatory Academy Lower
Stillwater · Charter elementary · Grades K–4
450 students · 43 m away
St. Croix Prep Academy Middle
Stillwater · Charter middle · Grades 5–8
371 students · 43 m away
Andersen Elementary
Bayport · Public elementary · Grades PK–5
327 students · 1.5 km away
Stillwater Middle School
Stillwater · Public middle · Grades 6–8
939 students · 3.6 km away
Gate 4/5
Stillwater · Public elementary · Grades 4–5
64 students · 3.6 km away
North Hudson Elementary
Hudson · Public elementary · Grades K–5
276 students · 4.2 km away
Stillwater Area High School
Stillwater · Public high · Grades 9–12
2,658 students · 4.3 km away
Lily Lake Elementary
Stillwater · Public elementary · Grades PK–5
398 students · 4.8 km away
Willow River Elementary
Hudson · Public elementary · Grades PK–5
278 students · 5.0 km away
Hudson 4K
Hudson · Public other · Grades PK–PK
320 students · 5.0 km away
Similar schools
Charter high schools in Minnesota with a comparable Enrollment.
Great River School
Saint Paul · Charter high · Grades 7–12
411 students
STEP Academy Charter School
Saint Paul · Charter high · Grades 6–12
366 students
PIM Arts High School
Eden Prairie · Charter high · Grades 9–12
349 students
HGA Secondary
Saint Paul · Charter high · Grades 8–12
442 students
ST Paul Conservatory Performing Art
Saint Paul · Charter high · Grades 9–12
336 students
MMSA Secondary School
Saint Paul · Charter high · Grades 6–12
327 students
Frequently asked questions
Is St. Croix Preparatory Academy Upper a good school?
St. Croix Preparatory Academy Upper has a Success Index (US) of 92.0 out of 100 (Top 5% of high schools in United States) and ranks #1 of 433 in Minnesota. 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. Croix Preparatory Academy Upper rank in Minnesota?
St. Croix Preparatory Academy Upper ranks #1 of 433 high schools in Minnesota and #144 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend St. Croix Preparatory Academy Upper?
St. Croix Preparatory Academy Upper had 391 students in 2025.
Is St. Croix Preparatory Academy Upper a elementary school or a high school?
St. Croix Preparatory Academy Upper is classified as a high covering Grades 9–12. It is a charter school.
What other schools are near St. Croix Preparatory Academy Upper?
There are 10 schools within 15 km of St. Croix Preparatory Academy Upper; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.