Summary:
South Brunswick School District includes 10 schools: seven elementary schools, two middle schools and one high school, with 2025–26 results generally above state averages in the grade-matched comparisons. Elementary averages were 63% in ELA and 65% in math, compared with 49% and 47% statewide; middle-school averages were 75% in ELA, 42% in math and 38% in grade-8 science, versus 53%, 34% and 19% statewide. The most important takeaway is that strong group averages conceal a wide divide among the elementary schools.
Monmouth Junction Elementary is the clearest academic standout: its grade-averaged results were 80% in ELA and 86% in math, compared with 53% and 53% at Brunswick Acres Elementary—gaps of 27 and 33 points. Monmouth Junction also led grade-5 science, with 81% proficient versus 31% at Brunswick Acres. Brooks Crossing Elementary was a grade-4 ELA bright spot, at 70%, 24 points above the state. Both middle schools stand out in Algebra I: Crossroads South Middle had 96% proficient in the end-of-course assessment and Crossroads North Middle had 93%, compared with 40% statewide. South Brunswick High School was above state results in several measures, including grade-11 ELA and science, but below in Algebra I and Geometry end-of-course results.
Results changed in different directions rather than showing one districtwide trend. Elementary grade-5 science improved to 52% from 49%, widening its advantage over the state, while middle-school margins over the state narrowed in ELA, math and science. SchoolDigger’s ranking shows a notable exception to mixed results: Greenbrook Elementary rose from the 49th to the 69th percentile between 2023–24 and 2025–26, and its grade-averaged ELA and math results also improved. For context, elementary student–teacher ratios ranged from 11.0 to 13.2 in 2024–25, while all seven schools reported the same low-income measure, free/reduced lunch eligible, for 2024–25; rates ranged from 13% at Monmouth Junction to 35% at Greenbrook. These measures do not follow a simple pattern matching academic results.
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