Timberlane Regional High School

Timberlane Regional High School operates as a substantial senior high in Plaistow, New Hampshire, operated by Timberlane Regional School District. Current enrollment sits at 944 students spanning grades 9 through 12. That puts it 90% above the typical public school in New Hampshire, which averages around 496 students.

Timberlane Regional School District runs 7 schools in total, collectively educating 3,224 students. Timberlane Regional High School is one of those campuses.

For racial and ethnic makeup, Timberlane Regional High School shows that 88% of students identify as White, making the school strongly White-majority. The remainder reads as 5% Hispanic, 4% multiracial. Compared to Rockingham County overall, the school's racial mix sits in roughly the same range.

On the resource side, The school currently runs with 83 full-time-equivalent teachers, for a student-teacher ratio near 11.4:1. That tracks the state average closely. Roughly 11% of students at Timberlane Regional High School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

On a demographically-adjusted basis, Timberlane Regional High School falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 56.7%; this one comes in at 37.7%, -19.0 points off the demographic line.

Across the wider county, community-level numbers for Rockingham County indicate median household earnings sit near $118,331, 46% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 3%. Across Rockingham County's 99 public schools (combined enrollment of about 41,753 students), Timberlane Regional High School is one campus in the mix.

Nearest neighbor: Timberlane Regional Middle School, around 0.1 miles off. Within five miles, there are 8 other public schools. Among the 4 schools in that immediate cluster with test data (this one included), Timberlane Regional High School ranks 4th on composite proficiency, behind the local average of 44.9%.

The school occupies a residential site.

Five-year trend. Looking back 7 years, enrollment at Timberlane Regional High School has contracted 18%, going from 1,158 students in 2018 to 944 in 2025. Over the same period, the White share contracted from 95% to 88%.

In the discussion threads here, members of the Timberlane Regional High School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.