Lynnville-Sully High School

Set in Sully, Iowa, Lynnville-Sully High School is a minimally staffed four-year high school, run under Lynnville-Sully Comm School District. It caters to 160 students across grades 9 through 12. That puts it 66% leaner than the typical public school in Iowa, which averages around 468 students.

Lynnville-Sully Comm School District runs 3 schools in total, collectively educating 505 students. Lynnville-Sully High School is one of those campuses.

On demographics, Lynnville-Sully High School reports that nearly all students (97%) are White.

On the resource side, The school lists 11 full-time-equivalent teachers, for a student-teacher ratio near 14.7:1. That figure is tighter than the state norm's 17.3:1 average. About 23% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is below Jasper County's rate of about 40%.

On a demographically-adjusted basis, Lynnville-Sully High School tracks the demographic baseline. The model predicts 80.7% given the school's FRL share; actual proficiency is 84.0%.

In the area at large, community-level numbers for Jasper County indicate median household earnings sit near $71,311, roughly 20% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. In all, Jasper County runs 18 public schools (combined enrollment of about 5,668 students), of which Lynnville-Sully High School is one.

Nearest neighbor: Lynnville-Sully Elementary School, around 0.0 miles off. Counting just inside five miles, 2 other public schools cluster around Lynnville-Sully High School. On composite proficiency, Lynnville-Sully High School comes 4th of 9 in the immediate cluster, higher than the nearby-schools average of 82.3%.

The school occupies an outlying site.

Five-year trend. Looking back 7 years, enrollment at Lynnville-Sully High School has ticked up 5%, going from 153 students in 2018 to 160 in 2025.

Within the allk12 community for this school, recent activity here tends to focus on open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.