Enrollment
358
Iowa · 2024-25 NCES data
Other / mixed grade configuration · Rock Rapids, IA
Central Lyon Secondary School
Federal NCES profile for Central Lyon Secondary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
2024-25 NCES dataOther / mixed grade configurationNCES 190696000308
👥 S:T ratio 43
🌟 Gifted program 70
🎓 Counselors 28
📋 Attendance 52
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Central Lyon Secondary School earns 48/100 on the Resource Investment Index, with class sizes near the Iowa median.
- 48
- Resource Index · Typical
- 14.3:1
- students per teacher
- 16.8%
- free-lunch eligible
- 358
- students enrolled
Central Lyon Secondary School has class sizes near the Iowa median. Computed live against every Iowa school reporting to NCES.
School address
District: Central Lyon Comm School District · Iowa
NCES ID 190696000308 Verify on NCES CCD record →
Teachers (FTE)
25.0
Federal CCD staff survey
Students per teacher
14.3:1
vs 14.8:1 Iowa avg
-3% vs state
Free-lunch eligible
16.8%
vs 36.4% Iowa avg
-54% vs state
Student-teacher ratio in context
How Central Lyon Secondary School compares with Iowa and U.S. medians
What stands out at Central Lyon Secondary School
Central Lyon Secondary School is a lower-poverty, mid-sized combined-grade school in Rock Rapids, Iowa, enrolling 358 students.
At 14.3:1, its student-teacher ratio sits close to the Iowa median, within a few percentage points of the 14.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 16.8% free-meal eligibility runs 54% below the Iowa average.
With 358 students, its enrollment sits close to the Iowa median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,322 scored Iowa schools.
Against 296 statewide peers matched on enrollment and economic need, it ranks mid-pack at #158.
Its student body is predominantly White (91% of enrollment) (diversity index 18/100).
Counselor availability sits well past the ASCA benchmark, roughly 358 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 19.3% of students chronically absent per the 2021-22 civil-rights collection.
Among Rock Rapids's public schools, it stands alongside Central Lyon Elementary School (431 students): Central Lyon Secondary School is smaller than that campus by headcount and runs heavier classes (14.3:1 vs 13.1:1).
Its district, Central Lyon Comm School District, also runs Central Lyon Elementary School (431 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 Central Lyon Secondary School compares
Central Lyon Secondary School on the metrics families compare, against Iowa and U.S. means.
| Metric | This school | vs Iowa | Iowa avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.3:1 | ▼ 3% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 16.8% | ▼ 54% | 36.4% | 51.7% |
| Enrollment | 358 | top 40% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.3:1
Leaner classes than 54% of US schools, a middle-of-the-pack class size.
358
Bigger than 41% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
16.8%
free-lunch eligible
- 54% below the Iowa average of 36.4%
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
14.3:1
students per teacher
- 3% below state mean
Top 56% in Iowa - lower ratio than 44% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
19.3%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$12,099
per pupil, district-wide
- below Iowa avg of $12,854
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 358 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 3 out-of-school
Suspension rate: 0.8 per 100 students. Combined in-school and out-of-school rate: 1.7 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 90.5%
Hispanic or Latino 4.7%
African American 2.5%
Two or More 1.1%
Native Hawaiian / Pacific Islander 0.8%
American Indian / Alaska Native 0.3%
Largest group: White at 90.5% of enrollment.
Student-body diversity index 17.8/100
Simpson diversity index - at 17.8, Central Lyon Secondary School is less mixed than the Iowa school average of 33.8.
Programs
AP courses offered 2
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Central Lyon Comm School District, which includes Central Lyon Secondary School.
$12,099
Per student
-6%
vs Iowa
Avg $12,854
-27%
vs U.S.
Avg $16,593
Revenue mix
Local 41.6%
State 47.5%
Federal 11.0%
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 Central Lyon Secondary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Central Lyon Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Central Lyon Secondary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 431
- Students per teacher
- 13.1:1
- Resource Index
- 53/100
Similar other schools in Rock Rapids
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Iowa, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~358 students)
Next steps
Verify locally before acting on Central Lyon Secondary School's federal record.
- Compare Central Lyon Secondary School against another school. Compare schools
- Central Lyon Comm 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 Central Lyon Secondary School
How many students attend Central Lyon Secondary School?
Central Lyon Secondary School has 358 students enrolled. It is a public school in Rock Rapids, IA.
What is the student-teacher ratio at Central Lyon Secondary School?
The student-teacher ratio at Central Lyon Secondary School is 14.3:1, which is 3% lower than the Iowa average of 14.8:1 and 9% 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 Central Lyon Secondary School?
16.8% of students at Central Lyon Secondary School are eligible for free lunch, compared to the Iowa average of 36.4%.
What is the racial and ethnic makeup of Central Lyon Secondary School?
The largest demographic group at Central Lyon Secondary School is White at 90.5% of enrollment, in Rock Rapids, IA.
What is the Resource Investment Index for Central Lyon Secondary School?
Central Lyon Secondary School 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, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
Is Central Lyon Secondary School a good school?
Central Lyon Secondary School earns 48/100 on the Resource Investment Index, with class sizes near the Iowa median. 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 Central Lyon Comm School District?
Besides Central Lyon Secondary School, Central Lyon Comm School District also operates Central Lyon Elementary School (431 students). See the Central Lyon Comm 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.