Sullivan High School

Sullivan High School is a cozy high school in Sullivan, Indiana, run under Southwest School Corporation. The school hosts 528 students in grades 9 through 12. Enrollment runs roughly 35% below the state mean of about 816.

Southwest School Corporation comprises 5 schools with combined enrollment of 1,776 students; Sullivan High School is among them.

In terms of who attends, Sullivan High School shows that 95% of students identify as White, making the school strongly White-majority; the rest is composed of 3% Hispanic, 2% multiracial. That composition is broadly in line with Sullivan County as a whole.

Looking at school resources, On paper, Sullivan High School has 40 full-time-equivalent teachers, translating to a class-load average of around 13.3:1. The state averages around 16.6:1, so this campus is tighter than the state norm typical. Roughly 49% of students at Sullivan High School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

Zooming out to the county, the surrounding county (Sullivan County) shows that median household earnings sit near $56,204, 15% of adults hold a bachelor's degree or higher, and roughly 10% of residents live below the federal poverty line. Sullivan High School is one of 10 public schools in Sullivan County (combined enrollment of about 3,108 students).

Nearest neighbor: Sullivan Elementary School, around 0.5 miles off. Within five miles, there are 2 other public schools.

The campus sits in a small-town setting.

Trend over the last 7 years. Looking back 7 years, enrollment at Sullivan High School has decreased 8%, going from 573 students in 2018 to 528 in 2025.

Inside the community feed, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.