Summary:
Chelmsford is a Massachusetts district with 7 schools serving about 4,910 students: four elementary schools for grades K–4 (Byam School, Center Elementary School, Charles D Harrington, and South Row), two middle schools split by grade (Col Moses Parker School for grades 5–6 and McCarthy Middle School for grades 7–8), and one high school (Chelmsford High). The Chelmsford district ranks 73rd of 351 districts statewide, in the 79th percentile with 4 stars, and every school here scores above the state average in every reported subject.
Chelmsford High is the strongest overall performer, ranking in the 86th percentile with a 98.8% graduation rate, a 0.9% dropout rate, and 10th grade proficiency of 68.47% in ELA, 66.16% in math, and 62.42% in science. Among elementary schools, South Row leads (85th percentile) with the highest elementary math score at 67.05%, while Byam School (79th percentile) is strong in ELA at 59.11%. McCarthy Middle School (82nd percentile) shines in science at 62.76%, and Charles D Harrington is the only 3-star school (63rd percentile), trailing district averages but improving each year.
Two trends matter most for families. Math improved at all seven schools year over year, while ELA declined at six of seven, making literacy the area to watch. Grade-level results vary widely within schools — for example, South Row’s 3rd grade math is 75.31% versus 59.78% in 4th grade, and Center Elementary School is stronger in 4th grade math (65.63%) than 3rd (46.25%). Per-student spending ranges from $15,354 to $16,986 and student-teacher ratios from 12.2 to 13.9, with no clear link between spending or class size and results. Note that free/reduced-price lunch data is unavailable for all schools, so equity comparisons aren’t possible here.
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