Mercer High School

As a micro-enrollment 9-12 campus in Hamilton, New Jersey, Mercer High School teaches 200 students from grades 9 through 12, run under Mercer County Special Services School District. Enrollment runs roughly 78% smaller than the state mean of about 929.

Within Mercer County Special Services School District, which oversees 4 schools and 439 students, Mercer High School is one campus in the system.

For racial and ethnic makeup, Mercer High School records that the most-represented group is Black (39%), with the rest of the student body spread across multiple groups. Beyond that, the school reports 33% Hispanic, 20% White, 7% Asian, 2% multiracial. That is noticeably more Black than the county at large, where the share is closer to 19%.

In terms of school funding signals, Mercer High School records 33 full-time-equivalent teachers, putting the student-to-teacher ratio at about 6.1:1. Statewide, the average ratio sits near 12.7:1, putting Mercer High School tighter than the state norm the norm. An estimated 50% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

Across the wider county, census data for Mercer County shows the typical household earns roughly $100,645 per year, roughly 45% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 7%. In all, Mercer County runs 110 public schools (combined enrollment of about 58,647 students), of which Mercer High School is one.

The closest other public school is Joseph F. Cappello School, roughly 0.1 miles away. Counting just inside five miles, 8 other public schools cluster around Mercer High School.

The school occupies a suburban site.

Trend over the last 7 years. Over the past 7-year window, the student count contracted 28%: 276 students in 2018 compared to 200 in 2025. The Hispanic share of enrollment ticked up from 18% to 33% over that span.

Inside the community feed, posts here usually surface around classroom updates, athletics, and weather closures. Parents, students, alumni, and staff are welcome to weigh in.