Triangle Elementary School

As a moderately sized K-5 school in Hillsborough, New Jersey, Triangle Elementary School educates 362 students from grades pre-K through 4, part of Hillsborough Township Public School District.

Triangle Elementary School is one of 9 schools operated by Hillsborough Township Public School District, a district that caters to 7,191 students overall.

On the student-mix side, Triangle Elementary School records that 41% of students identify as Asian, with the remaining enrollment distributed across several groups. The remainder looks like 34% White, 14% Hispanic, 7% Black, 4% multiracial. That is visibly more Asian than the county at large, where the share is closer to 20%.

Looking at the economic backdrop, Triangle Elementary School logs 40 full-time-equivalent teachers, putting the student-to-teacher ratio at about 9.0:1. The state averages around 11.4:1, so this campus is tighter than the state norm typical. Roughly 18% of students at Triangle Elementary School qualify 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.

After controlling for student poverty, Triangle Elementary School is in the OUTPERFORMING tier of the BeatsExpectations model, which fits a per-state line through proficiency and FRL share. Schools with this campus's poverty mix typically land near 56.5%; this one delivers 73.3%, a residual of +16.9 points.

Around the school, the surrounding county (Somerset County) logs that the typical household earns roughly $140,374 per year, 58% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. In all, Somerset County runs 84 public schools (combined enrollment of about 51,276 students), of which Triangle Elementary School is one.

Hillsborough Township Middle School is the nearest neighboring public school, about 0.2 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Triangle Elementary School comes 2nd of 8 in the immediate cluster, ahead of the nearby-schools average of 52.4%.

The campus sits in a commuter-belt setting.

Over the past 7-year window. Looking back 7 years, enrollment at Triangle Elementary School has fell 7%, going from 389 students in 2018 to 362 in 2025. Over the same period, the White share contracted from 56% to 34%. The student-to-teacher ratio fell from 10.4:1 in 2018 to 9.0:1 today.

On this page, the page collects discussion, questions, and updates around school events, parent volunteer needs, and clubs. Members of the school community can share what they know.