High school (grades 9-12) · Sully, IA

Lynnville-Sully High School

Federal NCES profile for Lynnville-Sully High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 191803001031
0/100100/10045/100
👥 S:T ratio
36
📚 AP courses
10
🌟 Gifted program
70
🎓 Counselors
68
📋 Attendance
39
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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.

#2 of 3
public schools in Sully · Resource Index
45
Resource Index · Typical
16:1
large classes for Iowa
16.3%
free-lunch eligible

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.

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

Student-teacher ratio in context

How Lynnville-Sully High School compares with Iowa and U.S. medians

Slightly above state median
0:135:116:1

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Lynnville-Sully High School

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

How Lynnville-Sully High School compares

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

16:1
Leaner classes than 38% of US schools, a middle-of-the-pack class size.
160
Bigger than 16% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
16.3%
free-lunch eligible - 55% 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
24.4%
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
$11,370
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 160 students, the combined health-and-guidance staffing load for this school.
Discipline context
9
in-school suspensions + 6 out-of-school
Suspension rate: 5.6 per 100 students. Combined in-school and out-of-school rate: 9.4 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 97.5%
African American 1.9%
Hispanic or Latino 0.6%

Largest group: White at 97.5% of enrollment.

Student-body diversity index 4.9/100

Simpson diversity index - at 4.9, Lynnville-Sully 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 Lynnville-Sully Comm School District, which includes Lynnville-Sully High School.

$11,370
Per student
-12%
vs Iowa
Avg $12,854
-31%
vs U.S.
Avg $16,593
Revenue mix
Local 50.5%
State 40.4%
Federal 9.1%

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 Lynnville-Sully High School Compares to District-Mates

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.

Other Schools in This District

Lynnville-Sully Comm School District · 2 sibling schools

View district profile

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.

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.

Frequently asked questions about Lynnville-Sully High School

How many students attend Lynnville-Sully High School?

Lynnville-Sully High School has 160 students enrolled. It is a high school in Sully, IA.

What is the student-teacher ratio at Lynnville-Sully High School?

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.

What percentage of students receive free lunch at Lynnville-Sully High School?

16.3% of students at Lynnville-Sully High School are eligible for free lunch, compared to the Iowa average of 36.4%.

What is the racial and ethnic makeup of Lynnville-Sully High School?

The largest demographic group at Lynnville-Sully High School is White at 97.5% of enrollment, in Sully, IA.

What is the Resource Investment Index for Lynnville-Sully High School?

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).

How does Lynnville-Sully High School rank among public schools in Sully?

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.

Is Lynnville-Sully High School a good school?

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.

What other schools are in Lynnville-Sully Comm School District?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.