Hillsborough High School

Hillsborough High School operates as a large senior high in Hillsborough, New Jersey, part of Hillsborough Township Public School District. Current enrollment sits at 2,377 students spanning grades 9 through 12. Compared to the state average of about 929 students per school, that is 156% larger than typical.

Across the 9 schools in Hillsborough Township Public School District (7,191 students total), Hillsborough High School accounts for its share of the district's footprint.

Looking at the student body, Hillsborough High School shows that the most-represented group is White (46%), with the rest of the student body spread across multiple groups. Other groups include 34% Asian, 12% Hispanic, 6% Black.

On the resource side, On paper, Hillsborough High School has 176 full-time-equivalent teachers, translating to a class-load average of around 13.5:1. That figure is higher than the state norm's 12.7:1 average. About 16% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against Somerset County (around 28%), the school's rate is noticeably below typical.

On a residual basis (actual vs predicted given the student mix), Hillsborough High School tracks the demographic baseline. The model predicts 57.6% given the school's FRL share; actual proficiency is 61.2%.

In the area at large, census data for Somerset County shows the typical household earns roughly $140,374 per year, about 58% of the adult population holds a bachelor's degree or above, and roughly 4% of residents live below the federal poverty line. Hillsborough High School is one of 84 public schools in Somerset County (combined enrollment of about 51,276 students).

Nearest neighbor: Hillsborough Township Elementary School, around 0.8 miles off. Counting just inside five miles, 8 other public schools cluster around Hillsborough High School. Among the 8 schools in that immediate cluster with test data (this one included), Hillsborough High School ranks 7th on composite proficiency, beneath the local average of 69.5%.

The campus sits in a commuter-belt setting.

Looking at the recent track record. Over the past 7-year window, the student count remained close to its prior level: 2,327 students in 2018 compared to 2,377 in 2025. The White share of enrollment fell from 65% to 46% over that span.

Within the allk12 community for this school, posts here usually surface around school events, parent volunteer needs, and clubs. Members of the school community can share what they know.