Enrollment
160
Minnesota · 2024-25 NCES data
Other / mixed grade configuration · Lamberton, MN
Red Rock Central Secondary
Federal NCES profile for Red Rock Central Secondary, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataOther / mixed grade configurationNCES 270013200820
👥 S:T ratio 42
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 44
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Red Rock Central Secondary earns 46/100 on the Resource Investment Index, with class sizes near the Minnesota median. It is also less racially and ethnically mixed than most Minnesota schools.
- 46
- Resource Index · Typical
- 14.5:1
- students per teacher
- 38.1%
- free-lunch eligible
- 160
- students enrolled
Red Rock Central Secondary has class sizes near the Minnesota median. Computed live against every Minnesota school reporting to NCES.
School address
District: Red Rock Central School District · Minnesota
NCES ID 270013200820 Verify on NCES CCD record →
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
14.5:1
vs 15.8:1 Minnesota avg
-8% vs state
Free-lunch eligible
38.1%
vs 42.8% Minnesota avg
-11% vs state
Student-teacher ratio in context
How Red Rock Central Secondary compares with Minnesota and U.S. medians
What stands out at Red Rock Central Secondary
Red Rock Central Secondary is a mid-sized combined-grade school in Lamberton, Minnesota, enrolling 160 students.
At 14.5:1, its student-teacher ratio sits close to the Minnesota median, within a few percentage points of the 15.8:1 state norm, neither notably crowded nor notably small.
Its free-meal eligibility rate of 38.1% lands close to the Minnesota typical range, neither a high- nor low-need campus by this measure.
With 160 students, its enrollment sits close to the Minnesota median campus size.
Its Resource Investment Index lands in the upper third of 2,334 scored Minnesota schools.
Against 216 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #58.
Its student body is predominantly White (94% of enrollment), among the less diverse in the state (diversity index 11/100).
Counselor coverage is strong, about 160 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 22.5% of students chronically absent per the 2021-22 civil-rights collection.
Its district draws 15.8% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Its district, Red Rock Central School District, also runs Red Rock Central Elementary (244 students).
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 Red Rock Central Secondary compares
Red Rock Central Secondary on the metrics families compare, against Minnesota and U.S. means.
| Metric | This school | vs Minnesota | Minnesota avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.5:1 | ▼ 8% | 15.8:1 | 15.7:1 |
| Free-lunch eligible | 38.1% | ▼ 11% | 42.8% | 51.7% |
| Enrollment | 160 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.5:1
Leaner classes than 52% of US schools, a middle-of-the-pack class size.
160
Bigger than 16% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
38.1%
free-lunch eligible
- 11% below the Minnesota average of 42.8%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
14.5:1
students per teacher
- 8% below state mean
Top 50% in Minnesota - lower ratio than 50% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
22.5%
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
$15,282
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
Counselors1.0 FTE
Per 160 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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
White 94.4%
Hispanic or Latino 3.1%
Two or More 2.5%
Largest group: White at 94.4% of enrollment.
Student-body diversity index 10.7/100
Simpson diversity index - at 10.7, Red Rock Central Secondary is less mixed than the Minnesota school average of 42.8.
Programs
AP courses offered 1
Funding & spending
District-wide per-pupil expenditure for Red Rock Central School District, which includes Red Rock Central Secondary.
$15,282
Per student
+0%
vs Minnesota
Avg $15,270
-8%
vs U.S.
Avg $16,593
Revenue mix
Local 16.8%
State 67.4%
Federal 15.8%
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 Red Rock Central Secondary Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Red Rock Central Elementary | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Red Rock Central Secondary's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 244
- Students per teacher
- 13.6:1
- Resource Index
- 36/100
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 (~160 students)
Next steps
Verify locally before acting on Red Rock Central Secondary's federal record.
- Compare Red Rock Central Secondary against another school. Compare schools
- Red Rock Central School District'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 Red Rock Central Secondary
How many students attend Red Rock Central Secondary?
Red Rock Central Secondary has 160 students enrolled. It is a public school in Lamberton, MN.
What is the student-teacher ratio at Red Rock Central Secondary?
The student-teacher ratio at Red Rock Central Secondary is 14.5:1, which is 8% lower than the Minnesota average of 15.8:1 and 8% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Red Rock Central Secondary?
38.1% of students at Red Rock Central Secondary are eligible for free lunch, compared to the Minnesota average of 42.8%.
What is the racial and ethnic makeup of Red Rock Central Secondary?
The largest demographic group at Red Rock Central Secondary is White at 94.4% of enrollment, in Lamberton, MN.
What is the Resource Investment Index for Red Rock Central Secondary?
Red Rock Central Secondary has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Red Rock Central Secondary a good school?
Red Rock Central Secondary earns 46/100 on the Resource Investment Index, with class sizes near the Minnesota median. It is also less 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 Red Rock Central School District?
Besides Red Rock Central Secondary, Red Rock Central School District also operates Red Rock Central Elementary (244 students). See the Red Rock Central School District 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.