Arthur L. Johnson High School

Arthur L. Johnson High School operates as a cozy four-year high school in CLARK, New Jersey, operated by Clark Township Public School District. Current enrollment sits at 785 students spanning grades 9 through 12.

Arthur L. Johnson High School is one of 5 schools operated by Clark Township Public School District, a district that enrolls 2,268 students overall.

For racial and ethnic makeup, Arthur L. Johnson High School records that the largest single group is White, at 75% of enrollment; the rest reads as 19% Hispanic, 3% Black, 2% Asian. The wider county runs roughly 39% White, putting the school's mix meaningfully more White than the area baseline.

Looking at the economic backdrop, The school currently runs with 62 full-time-equivalent teachers, for a student-teacher ratio near 12.7:1. The state averages about 12.7:1, putting this campus right in line with peers. Roughly 10% of students at Arthur L. Johnson High School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is noticeably below Union County's rate of about 52%.

On a residual basis (actual vs predicted given the student mix), Arthur L. Johnson High School falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 60.6%; this one comes in at 40.6%, -20.1 points off the demographic line.

In the area at large, the surrounding county (Union County) records that median household earnings sit near $103,202, 39% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 7%. Across Union County's 180 public schools (combined enrollment of about 99,046 students), Arthur L. Johnson High School is one campus in the mix.

The closest other public school is Clark Preschool Annex, roughly 0.2 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Arthur L. Johnson High School comes 4th of 5 in the immediate cluster, beneath the nearby-schools average of 48.1%.

The school occupies a suburban site.

Five-year trend. Looking back 7 years, enrollment at Arthur L. Johnson High School has climbed 9%, going from 720 students in 2018 to 785 in 2025. The White share of enrollment ticked down from 86% to 75% over that span. The student-to-teacher ratio rose from 10.6:1 in 2018 to 12.7:1 today.

In the discussion threads here, members of the Arthur L. Johnson High School community share and discuss classroom updates, athletics, and weather closures. The community welcomes input from current and former families.