Princeton High School

Princeton High School operates as a sprawling 9-12 campus in PRINCETON, New Jersey, overseen by Princeton Public School District. Current enrollment sits at 1,518 students spanning grades 9 through 12. That puts it 63% above the typical public school in New Jersey, which averages around 929 students.

Princeton High School is one of 6 schools operated by Princeton Public School District, a district that works with 3,668 students overall.

In terms of who attends, Princeton High School shows that 46% of students identify as White, with the remaining enrollment distributed across several groups. Beyond that, the school logs 26% Asian, 15% Hispanic, 7% multiracial, 6% Black. Compared to Mercer County overall, the school's racial mix sits in roughly the same range.

Looking at school resources, Princeton High School shows 128 full-time-equivalent teachers, putting the student-to-teacher ratio at about 11.8:1. The state averages around 12.7:1, so this campus is tighter than the state norm typical. About 14% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Mercer County runs at roughly 48%, so the school's eligibility rate is lower than the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, Princeton High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 58.6%, the actual is 57.4%, a residual of -1.2 points.

In the surrounding community, census data for Mercer County shows the typical household earns roughly $100,645 per year, about 45% of the adult population holds a bachelor's degree or above, and roughly 7% of residents live below the federal poverty line. Across Mercer County's 110 public schools (combined enrollment of about 58,647 students), Princeton High School is one campus in the mix.

Princeton Middle School is the nearest neighboring public school, about 0.2 miles from this campus. Within five miles, there are 8 other public schools. On composite proficiency, Princeton High School comes 9th of 9 in the immediate cluster, beneath the nearby-schools average of 74.4%.

The school occupies a high-density site.

Five-year trend. Looking back 7 years, enrollment at Princeton High School has edged down 6%, going from 1,610 students in 2018 to 1,518 in 2025. Over the same period, the White share decreased from 55% to 46%.

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. Contributors range from current parents to recent graduates and teachers.