Enrollment
2,229
Iowa · 2024-25 NCES data
High school (grades 9-12) · Marion, IA
Linn-Mar High School
Federal NCES profile for Linn-Mar High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 191722001004
👥 S:T ratio 32
📚 AP courses 70
🌟 Gifted program 70
🎓 Counselors 36
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Linn-Mar High School earns 46/100 on the Resource Investment Index, with class sizes larger than 85% of Iowa schools. It is also one of the largest schools in Iowa.
- #14 of 15
- public schools in Marion · Resource Index
- 46
- Resource Index · Typical
- 17.1:1
- large classes for Iowa
- 19.3%
- free-lunch eligible
Linn-Mar High School has class sizes larger than 85% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, Linn-Mar High School ranks #14 of 15 public schools in Marion, IA.
School address
District: Linn-Mar Comm School District · Iowa
NCES ID 191722001004 Verify on NCES CCD record →
Teachers (FTE)
130.0
Federal CCD staff survey
Students per teacher
17.1:1
vs 14.8:1 Iowa avg
+16% vs state
Free-lunch eligible
19.3%
vs 36.4% Iowa avg
-47% vs state
Student-teacher ratio in context
How Linn-Mar High School compares with Iowa and U.S. medians
What stands out at Linn-Mar High School
Linn-Mar High School is a lower-poverty, large high school in Marion, Iowa, enrolling 2,229 students.
Class loads run somewhat heavier than typical: 17.1:1 puts it in the larger third of Iowa schools by student-teacher ratio.
Comparatively few students face economic hardship here, 19.3% free-meal eligibility runs 47% below the Iowa average.
By headcount it is one of the larger campuses in Iowa, bigger than 99% of state schools at 2,229 students.
Its Resource Investment Index lands in the lower third of 1,322 scored Iowa schools.
Against 16 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #7.
Its student body is led by White (75%) and African American (7%) (diversity index 42/100).
On the academic-pipeline side it reports 14 Advanced Placement courses.
Counselor coverage runs a bit thin, about 321 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 30.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
Among Marion's high schools, it stands alongside Marion High School (735 students): Linn-Mar High School is larger than that campus by headcount and runs leaner classes (17.1:1 vs 17.1:1).
Linn-Mar Comm School District also operates Boulder Peak Intermediate School (613 students) and Excelsior Middle School (594 students) alongside Linn-Mar High School.
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 Linn-Mar High School compares
Linn-Mar High 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 | 17.1:1 | ▲ 16% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 19.3% | ▼ 47% | 36.4% | 51.7% |
| Enrollment | 2,229 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.1:1
Leaner classes than 30% of US schools, heavier class loads than most.
2,229
Bigger than 99% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
19.3%
free-lunch eligible
- 47% 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
17.1:1
students per teacher
- 16% above state mean
Top 85% in Iowa - lower ratio than 15% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
30.7%
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
$12,349
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
Counselors6.9 FTE
Per 321 students, the combined health-and-guidance staffing load for this school.
Discipline context
27
in-school suspensions + 74 out-of-school
Suspension rate: 1.2 per 100 students. Combined in-school and out-of-school rate: 4.5 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
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 74.9%
African American 6.8%
Hispanic or Latino 6.1%
Asian 5.9%
Two or More 5.8%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 74.9% of enrollment.
Student-body diversity index 42.4/100
Simpson diversity index - at 42.4, Linn-Mar High School is more mixed than the Iowa school average of 33.8.
Programs
AP courses offered 14
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Linn-Mar Comm School District, which includes Linn-Mar High School.
$12,349
Per student
-4%
vs Iowa
Avg $12,854
-26%
vs U.S.
Avg $16,593
Revenue mix
Local 41.3%
State 50.8%
Federal 7.9%
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 Linn-Mar High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Boulder Peak Intermediate School | Smaller | Similar economic need | Similar S:T ratio |
| Excelsior Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Hazel Point Intermediate School | Smaller | Similar economic need | Lower S:T ratio |
| Echo Hill Elementary | Smaller | Lower economic need | Similar S:T ratio |
| Oak Ridge School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Linn-Mar High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 613
- Students per teacher
- 15.7:1
- Resource Index
- 48/100
- Enrollment
- 594
- Students per teacher
- 12.9:1
- Resource Index
- 46/100
- Enrollment
- 563
- Students per teacher
- 14.8:1
- Resource Index
- 42/100
- Enrollment
- 536
- Students per teacher
- 15.8:1
- Resource Index
- 45/100
- Enrollment
- 534
- Students per teacher
- 14.1:1
- Resource Index
- 50/100
Similar high schools in Marion
1 comparable high schools (grades 9-12) serving the same city.
Similar high 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 (~2,229 students)
Similar student-teacher ratio (~17.1:1)
Next steps
Verify locally before acting on Linn-Mar High School's federal record.
- Compare Linn-Mar High School against another school. Compare schools
- Linn-Mar 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 Linn-Mar High School
How many students attend Linn-Mar High School?
Linn-Mar High School has 2,229 students enrolled. It is a high school in Marion, IA.
What is the student-teacher ratio at Linn-Mar High School?
The student-teacher ratio at Linn-Mar High School is 17.1:1, which is 16% higher than the Iowa average of 14.8:1 and 9% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Linn-Mar High School?
19.3% of students at Linn-Mar High School are eligible for free lunch, compared to the Iowa average of 36.4%.
What is the racial and ethnic makeup of Linn-Mar High School?
The largest demographic group at Linn-Mar High School is White at 74.9% of enrollment, in Marion, IA.
What is the Resource Investment Index for Linn-Mar High School?
Linn-Mar High School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Linn-Mar High School rank among public schools in Marion?
By Resource Investment Index, Linn-Mar High School ranks #14 of 15 public schools in Marion, IA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Marion on the city page.
Is Linn-Mar High School a good school?
Linn-Mar High School earns 46/100 on the Resource Investment Index, with class sizes larger than 85% of Iowa schools. It is also one of the largest schools in Iowa. 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 Linn-Mar Comm School District?
Besides Linn-Mar High School, Linn-Mar Comm School District also operates Boulder Peak Intermediate School (613 students), Excelsior Middle School (594 students), and Hazel Point Intermediate School (563 students). See the Linn-Mar 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.