Summary:
ZIP code 07078 has three elementary schools—Hartshorn, Deerfield and Glenwood—and all serve K–4. In 2025–2026, their 12 reported grade-and-subject results averaged 88% proficient, compared with 48% across the matched state results, a 40-point area advantage. Even the smallest school-to-state lead was 35 points, for Deerfield Grade 4 math. The most important takeaway is that all three schools scored well above state proficiency levels in every reported result.
Glenwood had the highest overall average at 92%, followed by Deerfield at 87% and Hartshorn at 85%. Glenwood led Grade 3 ELA, Grade 3 math and Grade 4 math; its results were 11, 9 and 7 points above the other two schools’ average in those subjects, respectively. Grade 4 ELA was especially close: Hartshorn had the highest result at 88.8%, just ahead of Glenwood at 88.7%; Deerfield scored 88.0%. Deerfield’s profile is mixed: it led Grade 3 ELA at 86% but had the lowest Grade 4 math result at 82%.
Year-over-year averages moved in different directions: Deerfield rose by 1 point, while Hartshorn fell by 1 point and Glenwood by 2 points. SchoolDigger gave all three schools five stars and ranked Glenwood #5 statewide, Deerfield #19 and Hartshorn #27 for 2025–2026. Context measures also vary: student-teacher ratios ranged from 11.2 at Hartshorn to 12.7 at Glenwood, and chronic absenteeism was 3.1% at Glenwood, 7.6% at Deerfield and 9.6% at Hartshorn. Hartshorn and Glenwood each reported 1% free/reduced lunch eligible in 2024–2025; Deerfield reported 1% free/reduced lunch eligible in 2022–2023. These are observations about school context, not explanations for test results.
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