Enrollment
630
Minnesota · 2024-25 NCES data
Other / mixed grade configuration · Oakdale, MN
Castle Elementary
Federal NCES profile for Castle Elementary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataOther / mixed grade configurationNCES 272385002182
👥 S:T ratio 21
🌟 Gifted program 70
📋 Attendance 29
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Castle Elementary earns 40/100 on the Resource Investment Index, with class sizes larger than 82% of Minnesota schools. It is also more racially and ethnically mixed than most Minnesota schools.
- #3 of 3
- schools in Oakdale · Resource Index
- 40
- Resource Index · Typical
- 19.7:1
- large classes for Minnesota
- 53.0%
- free-lunch eligible
Castle Elementary has class sizes larger than 82% of Minnesota schools. Computed live against every Minnesota school reporting to NCES.
By Resource Investment Index, Castle Elementary ranks #3 of 3 schools in Oakdale, MN.
School address
District: North St. Paul-Maplewood Oakdale · Minnesota
NCES ID 272385002182 Verify on NCES CCD record →
Teachers (FTE)
32.0
Federal CCD staff survey
Students per teacher
19.7:1
vs 15.8:1 Minnesota avg
+25% vs state
Free-lunch eligible
53.0%
vs 42.8% Minnesota avg
+24% vs state
Student-teacher ratio in context
How Castle Elementary compares with Minnesota and U.S. medians
What stands out at Castle Elementary
Castle Elementary is a higher-need, mid-sized combined-grade school in Oakdale, Minnesota, enrolling 630 students.
Class loads run somewhat heavier than typical: 19.7:1 puts it in the larger third of Minnesota schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 53.0% of students eligible for free meals.
Enrollment of 630 puts it in the larger third of Minnesota schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,334 scored Minnesota schools.
Against 208 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #84.
Its student body is led by Asian (28%) and White (27%), more mixed than most schools in the state (diversity index 78/100).
Chronic absenteeism is elevated: 28.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
North St. Paul-Maplewood Oakdale also operates Tartan Senior High (1,687 students) and North Senior High (1,649 students) alongside Castle Elementary.
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 Castle Elementary compares
Castle Elementary on the metrics families compare, against Minnesota and U.S. means.
| Metric | This school | vs Minnesota | Minnesota avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.7:1 | ▲ 25% | 15.8:1 | 15.7:1 |
| Free-lunch eligible | 53.0% | ▲ 24% | 42.8% | 51.7% |
| Enrollment | 630 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
19.7:1
Leaner classes than 17% of US schools, heavier class loads than most.
630
Bigger than 75% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
53.0%
free-lunch eligible
- 24% above the Minnesota average of 42.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
19.7:1
students per teacher
- 25% above state mean
Top 82% in Minnesota - lower ratio than 18% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
28.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,432
per pupil, district-wide
- above Minnesota avg of $15,270
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
2
in-school suspensions + 4 out-of-school
Suspension rate: 0.3 per 100 students. Combined in-school and out-of-school rate: 1.0 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
Asian 27.6%
White 27.3%
Hispanic or Latino 19.8%
African American 16.5%
Two or More 8.7%
Largest group: Asian at 27.6% of enrollment.
Student-body diversity index 77.5/100
Simpson diversity index - at 77.5, Castle Elementary is more mixed than the Minnesota school average of 42.8.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for North St. Paul-Maplewood Oakdale, which includes Castle Elementary.
$15,432
Per student
+1%
vs Minnesota
Avg $15,270
-7%
vs U.S.
Avg $16,593
Revenue mix
Local 29.4%
State 57.9%
Federal 12.7%
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 Castle Elementary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Tartan Senior High | Larger | Similar economic need | Similar S:T ratio |
| North Senior High | Larger | Similar economic need | Similar S:T ratio |
| John Glenn Middle | Larger | Similar economic need | Lower S:T ratio |
| Skyview Community Middle | Larger | Similar economic need | Lower S:T ratio |
| Carver Elementary | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Castle Elementary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,687
- Students per teacher
- 20.3:1
- Resource Index
- 26/100
- Enrollment
- 1,649
- Students per teacher
- 19:1
- Resource Index
- 36/100
- Enrollment
- 1,073
- Students per teacher
- 16.8:1
- Resource Index
- 40/100
- Enrollment
- 1,029
- Students per teacher
- 16.6:1
- Resource Index
- 35/100
- Enrollment
- 898
- Students per teacher
- 16.6:1
- Resource Index
- 47/100
Similar other 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.
Similar enrollment (~630 students)
Next steps
Verify locally before acting on Castle Elementary's federal record.
- Compare Castle Elementary against another school. Compare schools
- North St. Paul-Maplewood Oakdale's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Castle Elementary
How many students attend Castle Elementary?
Castle Elementary has 630 students enrolled. It is a public school in Oakdale, MN.
What is the student-teacher ratio at Castle Elementary?
The student-teacher ratio at Castle Elementary is 19.7:1, which is 25% higher than the Minnesota average of 15.8:1 and 25% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Castle Elementary?
53.0% of students at Castle Elementary are eligible for free lunch, compared to the Minnesota average of 42.8%.
What is the racial and ethnic makeup of Castle Elementary?
The largest demographic group at Castle Elementary is Asian at 27.6% of enrollment, in Oakdale, MN. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 77.5/100.
What is the Resource Investment Index for Castle Elementary?
Castle Elementary has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Castle Elementary rank among schools in Oakdale?
By Resource Investment Index, Castle Elementary ranks #3 of 3 schools in Oakdale, MN. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Oakdale on the city page.
Is Castle Elementary a good school?
Castle Elementary earns 40/100 on the Resource Investment Index, with class sizes larger than 82% of Minnesota schools. It is also more racially and ethnically mixed than most 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 North St. Paul-Maplewood Oakdale?
Besides Castle Elementary, North St. Paul-Maplewood Oakdale also operates Tartan Senior High (1,687 students), North Senior High (1,649 students), and John Glenn Middle (1,073 students). See the North St. Paul-Maplewood Oakdale district page for the complete list.
Related tools
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.