Plainfield High School

As a heavily attended four-year high school in Plainfield, Indiana, Plainfield High School works with 1,856 students from grades 9 through 12, one of the schools within Plainfield Community School Corp. Enrollment runs roughly 127% larger than the state mean of about 816.

Plainfield High School is one of 9 schools operated by Plainfield Community School Corp, a district that educates 5,917 students overall.

For racial and ethnic makeup, Plainfield High School records that 76% of the student body identifies as White. Beyond that, the school records 10% Black, 7% Hispanic, 4% multiracial, 3% Asian. That mix tracks the wider county fairly closely.

Looking at school resources, Plainfield High School shows 86 full-time-equivalent teachers, putting the student-to-teacher ratio at about 21.5:1. The state averages around 16.6:1, so this campus is higher than the state norm typical. An estimated 30% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Hendricks County (around 39%), the school's rate is south of typical.

Around the school, the surrounding county (Hendricks County) reports that the typical household earns roughly $101,144 per year, 40% of adults hold a bachelor's degree or higher, and roughly 4% of residents live below the federal poverty line. Plainfield High School is one of 47 public schools in Hendricks County (combined enrollment of about 33,487 students).

Nearest neighbor: Pride Academy, around 1.2 miles off. Counting just inside five miles, 8 other public schools cluster around Plainfield High School.

The school occupies an outer-ring site.

Trend over the last 7 years. Looking back 7 years, enrollment at Plainfield High School has rose 11%, going from 1,672 students in 2018 to 1,856 in 2025. Over the same period, the White share edged down from 87% to 76%. The student-to-teacher ratio rose from 20.1:1 in 2018 to 21.5:1 today.

On the community side, the feed for Plainfield High School typically covers science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.