High school (grades 9-12) · Stillwater, MN

St. Croix Preparatory Academy Upper

Federal NCES profile for St. Croix Preparatory Academy Upper, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 270036204360Charter school
0/100100/10048/100
👥 S:T ratio
0
📚 AP courses
75
🌟 Gifted program
30
📋 Attendance
88
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

St. Croix Preparatory Academy Upper earns 48/100 on the Resource Investment Index, with class sizes larger than 93% of Minnesota schools.

#1 of 3
high schools in Stillwater · Resource Index
48
Resource Index · Typical
26.1:1
large classes for Minnesota
7.9%
free-lunch eligible

St. Croix Preparatory Academy Upper has class sizes larger than 93% of Minnesota schools. Computed live against every Minnesota school reporting to NCES.

By Resource Investment Index, St. Croix Preparatory Academy Upper ranks #1 of 3 high schools in Stillwater, MN.

Enrollment

391

Minnesota · 2024-25 NCES data

Teachers (FTE)

15.0

Federal CCD staff survey

Students per teacher

26.1:1

vs 15.8:1 Minnesota avg

+65% vs state

Free-lunch eligible

7.9%

vs 42.8% Minnesota avg

-82% vs state

Student-teacher ratio in context

How St. Croix Preparatory Academy Upper compares with Minnesota and U.S. medians

Larger classes than state median
0:135:126.1:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at St. Croix Preparatory Academy Upper

St. Croix Preparatory Academy Upper is a lower-poverty, mid-sized charter high school in Stillwater, Minnesota, enrolling 391 students.

Class loads run heavy: 26.1:1 is larger than about 93% of Minnesota schools and 65% above the 15.8:1 state mean, so each teacher carries more students than is typical.

Comparatively few students face economic hardship here, 7.9% free-meal eligibility runs 82% below the Minnesota average.

With 391 students, its enrollment sits close to the Minnesota median campus size.

Its Resource Investment Index sits near the middle of the pack among 2,334 scored Minnesota schools.

Against 157 statewide peers matched on enrollment and economic need, it ranks mid-pack at #84.

Its student body is led by White (74%) and Asian (11%) (diversity index 43/100).

On the academic-pipeline side it reports 15 Advanced Placement courses.

Attendance holds up well here: only 4.9% of students were chronically absent, below the typical post-pandemic national figure.

The surrounding St. Croix Preparatory Academy spends $10,553 per pupil, 31% below the Minnesota average, a leaner-resourced district than most.

St. Croix Preparatory Academy also operates St. Croix Preparatory Academy Lower (450 students) and St. Croix Prep Academy Middle (371 students) alongside St. Croix Preparatory Academy Upper.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How St. Croix Preparatory Academy Upper compares

St. Croix Preparatory Academy Upper on the metrics families compare, against Minnesota and U.S. means.

Metric This school vs Minnesota Minnesota avg U.S. avg
Students per teacher 26.1:1 ▲ 65% 15.8:1 15.7:1
Free-lunch eligible 7.9% ▼ 82% 42.8% 51.7%
Enrollment 391 top 37% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

26.1:1
Leaner classes than 4% of US schools, heavier class loads than most.
391
Bigger than 46% of US schools by enrollment, mid-sized for the country.

Equity indicators (what these measure)

Economic need
7.9%
free-lunch eligible - 82% below the Minnesota average of 42.8%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
26.1:1
students per teacher - 65% above state mean
Top 93% in Minnesota - lower ratio than 7% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
4.9%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$10,553
per pupil, district-wide - below Minnesota avg of $15,270
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 5 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.3 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

White 74.2%
Asian 11.0%
Hispanic or Latino 6.9%
Two or More 4.6%
African American 3.3%

Largest group: White at 74.2% of enrollment.

Student-body diversity index 42.9/100

Simpson diversity index - at 42.9, St. Croix Preparatory Academy Upper is about as mixed as the Minnesota school average of 42.8.

Programs

AP courses offered 15

Funding & spending

District-wide per-pupil expenditure for St. Croix Preparatory Academy, which includes St. Croix Preparatory Academy Upper.

$10,553
Per student
-31%
vs Minnesota
Avg $15,270
-36%
vs U.S.
Avg $16,593
Revenue mix
Local 6.9%
State 87.4%
Federal 5.7%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How St. Croix Preparatory Academy Upper Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
St. Croix Preparatory Academy Lower Similar size Similar economic need Lower S:T ratio
St. Croix Prep Academy Middle Similar size Similar economic need Similar S:T ratio

Comparisons are relative to St. Croix Preparatory Academy Upper's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

St. Croix Preparatory Academy · 2 sibling schools

View district profile

Similar high schools statewide

Matched by enrollment size and by staffing ratio across all of Minnesota, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on St. Croix Preparatory Academy Upper's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about St. Croix Preparatory Academy Upper

How many students attend St. Croix Preparatory Academy Upper?

St. Croix Preparatory Academy Upper has 391 students enrolled. It is a high school in Stillwater, MN.

What is the student-teacher ratio at St. Croix Preparatory Academy Upper?

The student-teacher ratio at St. Croix Preparatory Academy Upper is 26.1:1, which is 65% higher than the Minnesota average of 15.8:1 and 66% higher than the national average of 15.7:1.

What percentage of students receive free lunch at St. Croix Preparatory Academy Upper?

7.9% of students at St. Croix Preparatory Academy Upper are eligible for free lunch, compared to the Minnesota average of 42.8%.

What is the racial and ethnic makeup of St. Croix Preparatory Academy Upper?

The largest demographic group at St. Croix Preparatory Academy Upper is White at 74.2% of enrollment, in Stillwater, MN.

What is the Resource Investment Index for St. Croix Preparatory Academy Upper?

St. Croix Preparatory Academy Upper has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does St. Croix Preparatory Academy Upper rank among high schools in Stillwater?

By Resource Investment Index, St. Croix Preparatory Academy Upper ranks #1 of 3 high schools in Stillwater, MN. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Stillwater on the city page.

Is St. Croix Preparatory Academy Upper a good school?

St. Croix Preparatory Academy Upper earns 48/100 on the Resource Investment Index, with class sizes larger than 93% of Minnesota schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in St. Croix Preparatory Academy?

Besides St. Croix Preparatory Academy Upper, St. Croix Preparatory Academy also operates St. Croix Preparatory Academy Lower (450 students) and St. Croix Prep Academy Middle (371 students). See the St. Croix Preparatory Academy district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.