Lynnville-Sully High School
🇺🇸 Official data · 2025Sully, Iowa 50251 · Lynnville-Sully Comm School District
#25 of 319 high schools in Iowa
#560 of 16,910 nationally
About Lynnville-Sully High School
Lynnville-Sully High School is a public high located in Sully, in the Lynnville-Sully Comm School District school district of Iowa, United States. It caters for Grades 9–12. In 2025 it enrolled 160 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 85.9 out of 100, placing it in the top 5% of high schools in United States and 25th of 319 ranked high schools in Iowa. Its strongest component is math proficiency (96th percentile), and its weakest is students per teacher (45th percentile).
Other published figures: enrollment 160.
There are 3 schools in Sully; Lynnville-Sully High School ranks 3rd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)90%
- Reading proficiency (30%)90%
- Community advantage (fewer free/reduced-price lunch) (25%)22.5%
- Students per teacher (15%)16.0
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Lynnville-Sully High School by the official sources.
- Enrollment
- 160
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 22.5%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 16.0
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 90%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 90%
- Share of tested students proficient or above (all students, all grades).
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Schools near Lynnville-Sully High School
Closest schools by straight-line distance, with their Success Index (US).
Similar schools
Public high schools in Iowa with a comparable Enrollment.
West Hancock High School
Britt · Public high · Grades 9–12
161 students
West Monona High School
Onawa · Public high · Grades 9–12
161 students
North-Linn Senior High School
Troy Mills · Public high · Grades 9–12
158 students
Glidden-Ralston Jr-Sr High School
Glidden · Public high · Grades 7–12
163 students
West Harrison Middle School/High School
Mondamin · Public high · Grades 5–12
156 students
St Ansgar High School
St Ansgar · Public high · Grades 9–12
166 students
Frequently asked questions
Is Lynnville-Sully High School a good school?
Lynnville-Sully High School has a Success Index (US) of 85.9 out of 100 (Top 5% of high schools in United States) and ranks #25 of 319 in Iowa. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Lynnville-Sully High School rank in Iowa?
Lynnville-Sully High School ranks #25 of 319 high schools in Iowa and #560 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Lynnville-Sully High School?
Lynnville-Sully High School had 160 students in 2025.
Is Lynnville-Sully High School a elementary school or a high school?
Lynnville-Sully High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Lynnville-Sully High School?
There are 2 schools within 15 km of Lynnville-Sully High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.