Summary:
Elementary schools in ZIP code 02420 (Lexington, MA) consist of three K–5 schools — Joseph Estabrook, Harrington, and Fiske — all part of the Lexington district, which ranks 6th of 351 districts statewide at the 98th percentile with 5 stars. Combined enrollment is 1,188 students: Joseph Estabrook is the largest at 490, followed by Harrington at 374 and Fiske at 324. All three rank in the top 6% of Massachusetts elementary schools and earn 5 stars.
Joseph Estabrook is the strongest overall performer. It is the only school above the district average in all-grade math (80.92%) and science (79.05%), and its 71.73% ELA is the highest of the three. It ranks 18th of 899 elementary schools statewide, in the top 2%. Fiske shows the most uneven results: its 3rd grade scores are the highest in the data set (79.55% ELA, 88.64% math, which is 46.45 points above the state), but its 5th grade results are the weakest among the three (57.63% ELA, 61.02% math and science). Harrington is the most consistent across grades — ELA ranges only 68.66% to 70.18% — but sits below the district average in all three all-grade subjects.
Two things stand out for parents. First, science declined sharply at Harrington (down 7.40 points) and Fiske (down 7.99 points) from 2024–25 to 2025–26, and is now the lowest all-grade subject at both; Joseph Estabrook dipped only 1.60 points. Second, resources do not track simply with results: Fiske has the highest per-student spending ($25,331, 2020–21) and lowest student-teacher ratio (9.1), while Estabrook has the lowest spending ($18,214) and highest ratio (11.2) but the strongest proficiency. Even the lowest all-grade score here is about 20 points above the state. Free/reduced lunch data is unavailable for all three schools, so it is unknown rather than zero.
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