Enrollment
385
Iowa · 2024-25 NCES data
High school (grades 9-12) · Truro, IA
Interstate 35 High School
Federal NCES profile for Interstate 35 High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 191467002196
👥 S:T ratio 36
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 13
📋 Attendance 60
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Interstate 35 High School earns 38/100 on the Resource Investment Index, with class sizes larger than 77% of Iowa schools.
- #2 of 3
- public schools in Truro · Resource Index
- 38
- Resource Index · Typical
- 16:1
- large classes for Iowa
- 18.2%
- free-lunch eligible
Interstate 35 High School has class sizes larger than 77% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, Interstate 35 High School ranks #2 of 3 public schools in Truro, IA.
School address
District: Interstate 35 Comm School District · Iowa
NCES ID 191467002196 Verify on NCES CCD record →
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
16:1
vs 14.8:1 Iowa avg
+8% vs state
Free-lunch eligible
18.2%
vs 36.4% Iowa avg
-50% vs state
Student-teacher ratio in context
How Interstate 35 High School compares with Iowa and U.S. medians
What stands out at Interstate 35 High School
Interstate 35 High School is a lower-poverty, mid-sized high school in Truro, Iowa, enrolling 385 students.
Class loads run somewhat heavier than typical: 16:1 puts it in the larger third of Iowa schools by student-teacher ratio.
Comparatively few students face economic hardship here, 18.2% free-meal eligibility runs 50% below the Iowa average.
Enrollment of 385 puts it in the larger third of Iowa schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,322 scored Iowa schools.
Against 330 statewide peers matched on enrollment and economic need, it ranks mid-pack at #223.
Its student body is predominantly White (94% of enrollment) (diversity index 12/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor access is stretched at roughly 438 students per counselor, well above the ASCA-recommended 250:1 ceiling.
16.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Interstate 35 Comm School District also operates Interstate 35 Elementary School (458 students) and Interstate 35 Middle School (234 students) alongside Interstate 35 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 Interstate 35 High School compares
Interstate 35 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 | 16:1 | ▲ 8% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 18.2% | ▼ 50% | 36.4% | 51.7% |
| Enrollment | 385 | top 35% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16:1
Leaner classes than 38% of US schools, a middle-of-the-pack class size.
385
Bigger than 45% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
18.2%
free-lunch eligible
- 50% 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
16:1
students per teacher
- 8% above state mean
Top 77% in Iowa - lower ratio than 23% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
16.1%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$12,158
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
Counselors0.9 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
4
in-school suspensions + 36 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 10.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 93.8%
Hispanic or Latino 3.6%
Two or More 1.8%
African American 0.3%
Asian 0.3%
American Indian / Alaska Native 0.3%
Largest group: White at 93.8% of enrollment.
Student-body diversity index 11.9/100
Simpson diversity index - at 11.9, Interstate 35 High School is less mixed than the Iowa school average of 33.8.
Programs
AP program Not offered
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Interstate 35 Comm School District, which includes Interstate 35 High School.
$12,158
Per student
-5%
vs Iowa
Avg $12,854
-27%
vs U.S.
Avg $16,593
Revenue mix
Local 44.2%
State 47.2%
Federal 8.6%
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 Interstate 35 High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Interstate 35 Elementary School | Similar size | Similar economic need | Higher S:T ratio |
| Interstate 35 Middle School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Interstate 35 High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 458
- Students per teacher
- 17.6:1
- Resource Index
- 44/100
- Enrollment
- 234
- Students per teacher
- 19.5:1
- Resource Index
- 49/100
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 (~385 students)
Similar student-teacher ratio (~16:1)
Next steps
Verify locally before acting on Interstate 35 High School's federal record.
- Compare Interstate 35 High School against another school. Compare schools
- Interstate 35 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 Interstate 35 High School
How many students attend Interstate 35 High School?
Interstate 35 High School has 385 students enrolled. It is a high school in Truro, IA.
What is the student-teacher ratio at Interstate 35 High School?
The student-teacher ratio at Interstate 35 High School is 16:1, which is 8% higher than the Iowa average of 14.8:1 and 2% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Interstate 35 High School?
18.2% of students at Interstate 35 High School are eligible for free lunch, compared to the Iowa average of 36.4%.
What is the racial and ethnic makeup of Interstate 35 High School?
The largest demographic group at Interstate 35 High School is White at 93.8% of enrollment, in Truro, IA.
What is the Resource Investment Index for Interstate 35 High School?
Interstate 35 High School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Interstate 35 High School rank among public schools in Truro?
By Resource Investment Index, Interstate 35 High School ranks #2 of 3 public schools in Truro, 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 Truro on the city page.
Is Interstate 35 High School a good school?
Interstate 35 High School earns 38/100 on the Resource Investment Index, with class sizes larger than 77% of 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 Interstate 35 Comm School District?
Besides Interstate 35 High School, Interstate 35 Comm School District also operates Interstate 35 Elementary School (458 students) and Interstate 35 Middle School (234 students). See the Interstate 35 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.