Enrollment
54
South Dakota · 2024-25 NCES data
Middle school (grades 6-8) · Willow Lake, SD
Federal NCES profile for Willow Lake Middle School - 03, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Willow Lake Middle School - 03 earns 51/100 on the Resource Investment Index, with class sizes larger than 89% of South Dakota schools.
Willow Lake Middle School - 03 has class sizes larger than 89% of South Dakota schools. Computed live against every South Dakota school reporting to NCES.
By Resource Investment Index, Willow Lake Middle School - 03 ranks #2 of 4 public schools in Willow Lake, SD.
NCES ID 467935000952 Verify on NCES CCD record →
Enrollment
54
South Dakota · 2024-25 NCES data
Teachers (FTE)
3.0
Federal CCD staff survey
Students per teacher
18:1
vs 13.6:1 South Dakota avg
+32% vs state
Free-lunch eligible
15.5%
vs 28.8% South Dakota avg
-46% vs state
How Willow Lake Middle School - 03 compares with South Dakota and U.S. medians
Larger classes than state median
18:1 - 4.4 above the South Dakota state median of 13.6:1, indicating larger average class loads than typical schools in the state.
Willow Lake Middle School - 03 is a lower-poverty, mid-sized middle school in Willow Lake, South Dakota, enrolling 54 students.
Class loads run heavy: 18:1 is larger than about 89% of South Dakota schools and 32% above the 13.6:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat below the state's typical profile, with 15.5% of students eligible for free meals.
Enrollment of 54 puts it in the smaller third of South Dakota schools by headcount.
Its Resource Investment Index lands in the upper third of 691 scored South Dakota schools.
Against 98 statewide peers matched on enrollment and economic need, it ranks mid-pack at #55.
Its student body is predominantly White (98% of enrollment) (diversity index 4/100).
Counselor coverage is strong, about 216 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance holds up well here: only 3.7% of students were chronically absent, below the typical post-pandemic national figure.
Willow Lake School District 12-3 also operates Willow Lake Elementary - 02 (153 students) and Willow Lake High School - 01 (69 students) alongside Willow Lake Middle School - 03.
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
Willow Lake Middle School - 03 on the metrics families compare, against South Dakota and U.S. means.
| Metric | This school | vs South Dakota | South Dakota avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18:1 | ▲ 32% | 13.6:1 | 15.7:1 |
| Free-lunch eligible | 15.5% | ▼ 46% | 28.8% | 51.7% |
| Enrollment | 54 | top 68% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 98.1% of enrollment.
Simpson diversity index - at 3.7, Willow Lake Middle School - 03 is less mixed than the South Dakota school average of 27.6.
District-wide per-pupil expenditure for Willow Lake School District 12-3, which includes Willow Lake Middle School - 03.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Willow Lake Elementary - 02 | Larger | Similar economic need | Similar S:T ratio |
| Willow Lake High School - 01 | Larger | Similar economic need | Lower S:T ratio |
| Mayfield Colony Elementary - 04 | Smaller | No free-lunch data | Lower S:T ratio |
| Shamrock Colony Elementary - 05 | Smaller | No free-lunch data | Lower S:T ratio |
| Collins Colony Elementary - 06 | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Willow Lake Middle School - 03's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of South Dakota, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Willow Lake Middle School - 03'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.
Willow Lake Middle School - 03 has 54 students enrolled. It is a middle school in Willow Lake, SD.
The student-teacher ratio at Willow Lake Middle School - 03 is 18:1, which is 32% higher than the South Dakota average of 13.6:1 and 15% higher than the national average of 15.7:1.
15.5% of students at Willow Lake Middle School - 03 are eligible for free lunch, compared to the South Dakota average of 28.8%.
The largest demographic group at Willow Lake Middle School - 03 is White at 98.1% of enrollment, in Willow Lake, SD.
Willow Lake Middle School - 03 has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Willow Lake Middle School - 03 ranks #2 of 4 public schools in Willow Lake, SD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Willow Lake on the city page.
Willow Lake Middle School - 03 earns 51/100 on the Resource Investment Index, with class sizes larger than 89% of South Dakota 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.
Besides Willow Lake Middle School - 03, Willow Lake School District 12-3 also operates Willow Lake Elementary - 02 (153 students), Willow Lake High School - 01 (69 students), and Mayfield Colony Elementary - 04 (31 students). See the Willow Lake School District 12-3 district page for the complete list.
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.
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PlainSchools, “Willow Lake Middle School - 03, Willow Lake SD.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/willow-lake-middle-school-03-sd
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