Summary:
ZIP code 07205 has one listed high school, Hillside High School, serving grades 9–12 and enrolling 911 students. There are no other listed high schools for families to compare it with. In 2024–25, 82% of students graduated, compared with 89% statewide. The most important finding is that in 2025–26, the school’s proficiency rate was below the state result on every listed test, with its largest gaps in Geometry.
Within the school’s 2025–26 results, 11th-grade NJGPA English Language Arts was the strongest listed result: 61% met proficiency, 14 points below the state’s 76%. Geometry was the weakest, with 0% proficient on both the end-of-course measure and the grade-9 test, compared with 52% and 50% statewide, respectively. Algebra I was also well below the state: 4% versus 40% on the end-of-course measure, a 36-point gap, and 4% versus 22% in grade 9, an 18-point gap. These are different tests and grades, so they do not provide a like-for-like comparison of school performance across subjects.
Results changed unevenly over time, but several state-relative gaps widened. Grade-9 ELA was essentially flat at about 28% from 2024–25 to 2025–26 as the state result rose from 50% to 51%, widening the gap from 22 to 23 points. Algebra I end-of-course proficiency fell from 10% to 4%, and its gap grew from 29 to 36 points. NJGPA ELA also fell, from 75% to 61%, while its gap widened from 6 to 14 points; Mathematics rose from 32% to 36%, and its gap narrowed slightly from 26 to 25 points. SchoolDigger’s statewide ranking moved from 311th of 429 schools in 2023–24 to 380th of 434 in 2025–26, while its reported percentile fell from 28 to 12. As context, the school’s student–teacher ratio was 13.5:1, and 67% of students were free/reduced lunch eligible in 2024–25.
Thank you for your feedback!