Enrollment
160
High
DISTRICT 202 · STATE 371
SCHOOL COMMUNITY·RED ROCK CENTRAL SCHOOL DISTRICT·NCES 270013200820
RED ROCK CENTRAL SECONDARY
509 S BIRCH ST, LAMBERTON, MN 56152 · (507) 752-7361 · Redwood County
GRADES 07–12HIGH43-RURALTITLE IREGULAR SCHOOL160 STUDENTS
B+
allk12 Grade
Scored higher than 74% of Minnesota public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Minnesota public high schools
Student : Teacher
11.1:1
14 FTE teachers
DISTRICT 12.0:1 · STATE 16.3:1
Free / Reduced Lunch
48%
77 students
DISTRICT 44% · STATE 48%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 7 | 20 | 13% |
| Grade 8 | 35 | 22% |
| Grade 9 | 31 | 19% |
| Grade 10 | 29 | 18% |
| Grade 11 | 32 | 20% |
| Grade 12 | 13 | 8% |
Student demographics
11%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 15% · STATE 60% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within RED ROCK CENTRAL SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.
Test scores
MCA 2024-25 . % Meets or Exceeds StandardsEnglish Language Arts
49.4%
MN avg 49.7%
Math
41.2%
MN avg 45.3%
What this means: On the MCA, Minnesota's statewide test, about 49 of every 100 students at this school read and write at grade level and about 41 of 100 do math at grade level. Across all Minnesota schools, those numbers are about 50 and 45.
Source: MCA. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
43.3%
composite math + reading, all grades
Predicted
39.2%
based on MN schools with similar FRL share
Beats by
+4.1pp
above demographic expectation
What this means: About 43% of students here test proficient in math and reading, compared with the roughly 39% typical for Minnesota schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Minnesota's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like RED ROCK CENTRAL SECONDARY
RED ROCK CENTRAL SECONDARY's state test result (43.3% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| RED ROCK CENTRAL SECONDARY this school | 160 | 48.1% | 43.3% |
| Kalon Prep Academy ALEXANDRIA | 141 | 50.4% | 31.5% |
| Bertha Secondary BERTHA | 213 | 45.1% | 30.6% |
| SEBEKA SECONDARY SEBEKA | 233 | 48.9% | 37.3% |
| VERNDALE SECONDARY VERNDALE | 231 | 46.8% | 23.2% |
| WRENSHALL SECONDARY WRENSHALL | 160 | 43.8% | 37.7% |
Matched among Minnesota high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where RED ROCK CENTRAL SECONDARY ranks
Among high schools| Measure | This school | In Minnesota |
|---|---|---|
| State test proficiency ranked highest first | 43.3% | #145 of 397 |
| Math proficiency ranked highest first | 41.2% | #124 of 401 |
| Reading proficiency ranked highest first | 49.4% | #157 of 397 |
| Enrollment ranked largest first | 160 | #368 of 764 |
| Free and reduced lunch ranked highest share first | 48.1% | #134 of 444 |
| Enrollment change since 2017-18 ranked steepest decline first | -35.0% | #7 of 146 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
160
-83 (-34%) vs 2020
-53% since 2000-01, when it was 339
Student : Teacher
11.1:1
was 17.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 160 | 14.5 | 11.1:1 | 48% (77) |
| 2023-24 | 225 | 15.7 | 14.4:1 | 42% (94) |
| 2022-23 | 218 | 12 | 18.2:1 | 48% (104) |
| 2020-21 | 243 | 14 | 17.4:1 | 37% (89) |
| 2017-18 | 246 | 20.8 | 11.8:1 | 40% (98) |
| 2015-16 | 266 | 19 | 14.0:1 | 38% (101) |
| 2010-11 | 244 | 21 | 11.6:1 | 42% (102) |
| 2000-01 | 339 | 22 | 15.4:1 | 36% (122) |
Source: NCES Common Core of Data. Rows are the federal collections on file for RED ROCK CENTRAL SECONDARY.
Since 2017-18: students down 35% (246 to 160); teachers down 30% (20.8 to 14.5).
About RED ROCK CENTRAL SECONDARY
Families in LAMBERTON, Minnesota, are served by RED ROCK CENTRAL SECONDARY, a small high school. School enrollment was 160 students in 2024-25, in grades 7 through 12. For comparison, high schools in Minnesota average about 371 students.
RED ROCK CENTRAL SCHOOL DISTRICT is responsible for 2 schools, RED ROCK CENTRAL SECONDARY included, with 404 students in all.
RED ROCK CENTRAL SECONDARY's enrollment is 94% White. The remaining shares are 3% Hispanic and 3% multiracial. RED ROCK CENTRAL SECONDARY's diversity index is 11%, against a US figure of 70%.
Teacher staffing is 14.5 full-time equivalents, or about 11.1 students per teacher. On average, high schools in Minnesota have 16.3:1, compared with 11.1:1 here. About 48% of students, or 77, qualify for free or reduced-price lunch.
Measured against Minnesota public high schools, RED ROCK CENTRAL SECONDARY receives a B+. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.
Predicted from its free or reduced-price lunch share, RED ROCK CENTRAL SECONDARY would score about 39.2%. It scores 43.3%, 4.1 points above that figure.
Across Redwood County, the median household income is $67,866, the share of adults with a bachelor's degree or higher is 22%, and about 10% of people live in poverty. In all, Redwood County has 12 public schools and roughly 2,468 students.
Nearest public school: RED ROCK CENTRAL ELEMENTARY, less than a tenth of a mile away. Compared with its nearest neighbors, RED ROCK CENTRAL SECONDARY ranks 8th of 9 on average proficiency.
RED ROCK CENTRAL SECONDARY is coded as Rural: Remote in federal locale data.
2024-25 enrollment was 160, a 34% decrease from 243 in 2020-21. The school's ratio fell from 17.4:1 to 11.1:1 between 2020-21 and 2024-25.
Community posts for RED ROCK CENTRAL SECONDARY can cover school safety, transportation, and start times. Questions from prospective families are welcome too.
Redwood County at a glance
View full county profilePopulation
15,350
Census ACS
Median income
$67,866
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
12
2,468 students
Quick facts
Related schools
Other schools in RED ROCK CENTRAL SCHOOL DISTRICT
- RED ROCK CENTRAL ELEMENTARYElementary · 244 students
Nearby schools
- RED ROCK CENTRAL ELEMENTARY0.0 mi · 244
- WALNUT GROVE ELEMENTARY10.4 mi · 299
- WABASSO SECONDARY12.3 mi · 237
- WABASSO ELEMENTARY12.3 mi · 167
- SPRINGFIELD ELEMENTARY13.8 mi · 339
- SPRINGFIELD SECONDARY13.8 mi · 314
Frequently asked questions
About RED ROCK CENTRAL SECONDARYWhat is the total enrollment at RED ROCK CENTRAL SECONDARY?
RED ROCK CENTRAL SECONDARY enrolls approximately 160 students in grades 07-12.
What grades does RED ROCK CENTRAL SECONDARY serve?
RED ROCK CENTRAL SECONDARY serves grades 07-12.
What is the student-teacher ratio at RED ROCK CENTRAL SECONDARY?
The student-to-teacher ratio at RED ROCK CENTRAL SECONDARY is approximately 11.1:1 (14 FTE teachers).
What is the student diversity at RED ROCK CENTRAL SECONDARY?
Student demographics at RED ROCK CENTRAL SECONDARY are roughly 94% White, 3% Hispanic, 3% Two or more.
Is RED ROCK CENTRAL SECONDARY public or private?
RED ROCK CENTRAL SECONDARY is a public K-12 school, overseen by RED ROCK CENTRAL SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.