Enrollment
160
Iowa · 2024-25 NCES data
High school (grades 9-12) · Sully, IA
Federal NCES profile for Lynnville-Sully High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Lynnville-Sully High School earns 45/100 on the Resource Investment Index, with class sizes larger than 77% of Iowa schools. It is also less racially and ethnically mixed than most Iowa schools.
Lynnville-Sully High School has class sizes larger than 77% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, Lynnville-Sully High School ranks #2 of 3 public schools in Sully, IA.
NCES ID 191803001031 Verify on NCES CCD record →
Enrollment
160
Iowa · 2024-25 NCES data
Teachers (FTE)
10.0
Federal CCD staff survey
Students per teacher
16:1
vs 14.8:1 Iowa avg
+8% vs state
Free-lunch eligible
16.3%
vs 36.4% Iowa avg
-55% vs state
How Lynnville-Sully High School compares with Iowa and U.S. medians
Slightly above state median
16:1 - 1.2 above the Iowa state median of 14.8:1, indicating larger average class loads than typical schools in the state.
Lynnville-Sully High School is a lower-poverty, mid-sized high school in Sully, Iowa, enrolling 160 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, 16.3% free-meal eligibility runs 55% below the Iowa average.
Enrollment of 160 puts it in the smaller third of Iowa schools by headcount.
Its Resource Investment Index lands in the upper third of 1,322 scored Iowa schools.
Against 133 statewide peers matched on enrollment and economic need, it ranks mid-pack at #72.
Its student body is predominantly White (98% of enrollment), among the less diverse in the state (diversity index 5/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 160 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 24.4% of students chronically absent per the 2021-22 civil-rights collection.
Lynnville-Sully Comm School District also operates Lynnville-Sully Elementary School (224 students) and Lynnville-Sully Middle School (121 students) alongside Lynnville-Sully 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
Lynnville-Sully 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 | 16.3% | ▼ 55% | 36.4% | 51.7% |
| Enrollment | 160 | top 84% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: White at 97.5% of enrollment.
Simpson diversity index - at 4.9, Lynnville-Sully High School is less mixed than the Iowa school average of 33.8.
District-wide per-pupil expenditure for Lynnville-Sully Comm School District, which includes Lynnville-Sully High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lynnville-Sully Elementary School | Larger | Similar economic need | Lower S:T ratio |
| Lynnville-Sully Middle School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Lynnville-Sully High School's own figures; each column derives from NCES Common Core of Data.
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.
Next steps
Verify locally before acting on Lynnville-Sully High School's federal record.
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.
Lynnville-Sully High School has 160 students enrolled. It is a high school in Sully, IA.
The student-teacher ratio at Lynnville-Sully 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.
16.3% of students at Lynnville-Sully High School are eligible for free lunch, compared to the Iowa average of 36.4%.
The largest demographic group at Lynnville-Sully High School is White at 97.5% of enrollment, in Sully, IA.
Lynnville-Sully High School has a Resource Investment Index of 45/100 (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).
By Resource Investment Index, Lynnville-Sully High School ranks #2 of 3 public schools in Sully, 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 Sully on the city page.
Lynnville-Sully High School earns 45/100 on the Resource Investment Index, with class sizes larger than 77% 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.
Besides Lynnville-Sully High School, Lynnville-Sully Comm School District also operates Lynnville-Sully Elementary School (224 students) and Lynnville-Sully Middle School (121 students). See the Lynnville-Sully Comm School District district page for the complete list.
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.
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PlainSchools, “Lynnville-Sully High School, Sully IA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/lynnville-sully-high-school-ia
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