Enrollment
158
Iowa · 2024-25 NCES data
High school (grades 9-12) · Troy Mills, IA
North-Linn Senior High School
Federal NCES profile for North-Linn Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 192082001243
👥 S:T ratio 58
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 49
📋 Attendance 14
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
North-Linn Senior High School earns 40/100 on the Resource Investment Index, with class sizes smaller than 91% of Iowa schools. It is also less racially and ethnically mixed than most Iowa schools.
- #3 of 3
- public schools in Troy Mills · Resource Index
- 40
- Resource Index · Typical
- 10.5:1
- small classes for Iowa
- 20.5%
- free-lunch eligible
North-Linn Senior High School has class sizes smaller than 91% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, North-Linn Senior High School ranks #3 of 3 public schools in Troy Mills, IA.
School address
District: North Linn Comm School District · Iowa
NCES ID 192082001243 Verify on NCES CCD record →
Teachers (FTE)
15.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 14.8:1 Iowa avg
-29% vs state
Free-lunch eligible
20.5%
vs 36.4% Iowa avg
-44% vs state
Student-teacher ratio in context
How North-Linn Senior High School compares with Iowa and U.S. medians
What stands out at North-Linn Senior High School
North-Linn Senior High School is a mid-sized high school in Troy Mills, Iowa, enrolling 158 students.
Classes run notably small here: at 10.5:1, North-Linn Senior High School is leaner than roughly 91% of Iowa schools and 29% under the state's 14.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 20.5% of students eligible for free meals.
Enrollment of 158 puts it in the smaller third of Iowa schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,322 scored Iowa schools.
Among 175 similarly sized, similarly resourced-need Iowa schools statewide, it ranks #128, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (96% of enrollment), among the less diverse in the state (diversity index 9/100).
On the academic-pipeline side it reports 2 Advanced Placement courses.
Counselor coverage runs a bit thin, about 255 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 34.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
North Linn Comm School District also operates North Linn Elementary (281 students) and North-Linn Middle School (111 students) alongside North-Linn Senior 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 North-Linn Senior High School compares
North-Linn Senior 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 | 10.5:1 | ▼ 29% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 20.5% | ▼ 44% | 36.4% | 51.7% |
| Enrollment | 158 | top 84% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
10.5:1
Leaner classes than 86% of US schools, among the more generously staffed nationally.
158
Bigger than 15% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
20.5%
free-lunch eligible
- 44% 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
10.5:1
students per teacher
- 29% below state mean
Top 9% in Iowa - lower ratio than 91% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
34.2%
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
$11,838
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
Counselors0.6 FTE
Student-support staffing from the Civil Rights Data Collection.
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 95.6%
Two or More 3.2%
African American 0.6%
Hispanic or Latino 0.6%
Largest group: White at 95.6% of enrollment.
Student-body diversity index 8.5/100
Simpson diversity index - at 8.5, North-Linn Senior High 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 North Linn Comm School District, which includes North-Linn Senior High School.
$11,838
Per student
-8%
vs Iowa
Avg $12,854
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 40.9%
State 46.8%
Federal 12.3%
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 North-Linn Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| North Linn Elementary | Larger | Similar economic need | Higher S:T ratio |
| North-Linn Middle School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to North-Linn Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 281
- Students per teacher
- 15.6:1
- Resource Index
- 57/100
- Enrollment
- 111
- Students per teacher
- 13.9:1
- Resource Index
- 53/100
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 (~158 students)
Next steps
Verify locally before acting on North-Linn Senior High School's federal record.
- Compare North-Linn Senior High School against another school. Compare schools
- North Linn 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 North-Linn Senior High School
How many students attend North-Linn Senior High School?
North-Linn Senior High School has 158 students enrolled. It is a high school in Troy Mills, IA.
What is the student-teacher ratio at North-Linn Senior High School?
The student-teacher ratio at North-Linn Senior High School is 10.5:1, which is 29% lower than the Iowa average of 14.8:1 and 33% 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 North-Linn Senior High School?
20.5% of students at North-Linn Senior High School are eligible for free lunch, compared to the Iowa average of 36.4%.
What is the racial and ethnic makeup of North-Linn Senior High School?
The largest demographic group at North-Linn Senior High School is White at 95.6% of enrollment, in Troy Mills, IA.
What is the Resource Investment Index for North-Linn Senior High School?
North-Linn Senior High School has a Resource Investment Index of 40/100 (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 North-Linn Senior High School rank among public schools in Troy Mills?
By Resource Investment Index, North-Linn Senior High School ranks #3 of 3 public schools in Troy Mills, 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 Troy Mills on the city page.
Is North-Linn Senior High School a good school?
North-Linn Senior High School earns 40/100 on the Resource Investment Index, with class sizes smaller than 91% of Iowa schools. It is also less racially and ethnically mixed than most Iowa 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 North Linn Comm School District?
Besides North-Linn Senior High School, North Linn Comm School District also operates North Linn Elementary (281 students) and North-Linn Middle School (111 students). See the North Linn 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.