Summary:
Spring Lake, New Jersey, has two schools in this data, both serving prekindergarten through grade 8: Spring Lake Heights Elementary School and H W Mountz Elementary School. They enroll 422 students combined. In 2025–2026, the schools’ reported results were above state averages in every tested subject, with area averages of 83% in ELA, 76% in math, and 39% in science, compared with 51%, 44%, and 22% statewide. The clearest overall finding is that Mountz led Spring Lake Heights in every subject and grade where both schools had a score.
H W Mountz Elementary School stands out most: SchoolDigger ranked it 1st of 1,331 New Jersey schools in 2025–2026, compared with 386th for Spring Lake Heights Elementary School. On grades with scores at both schools, Mountz averaged 96% in ELA versus 75% at Heights, a 21-point gap; in math, the averages were 96% versus 61%, a 35-point gap. Heights is the lower-ranked school of the two, but its reported results were still above state figures. The largest same-grade math gap was in grade 3, where Mountz scored 100% and Heights 55%, a 45-point difference. In Algebra I, both were exceptional: 100% at Mountz and 96% at Heights, against 40% statewide.
Recent results show different directions: Heights’ matched-grade averages fell 8 points in ELA and 7 in math from 2024–2025 to 2025–2026, including a 33-point drop in grade 7 math, from 81% to 48%. Mountz was steadier or improved: its matched ELA average rose about 1 point, math rose 4 points, and grade 8 science rose 10 points. SchoolDigger rankings also show Mountz moving from 8th in 2023–2024 to 1st, while Heights went from 332nd to 386th after reaching 304th in between. As context, in 2024–2025 student-teacher ratios were 5.5 at Mountz and 6.7 at Heights; free/reduced lunch eligible shares were 4% and 10%, respectively. These are descriptive differences, not evidence of what explains score gaps; small-school results can also shift with the number of students tested.
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