Summary
Phoenix Academy Charter Public High School Chelsea is a small public charter high school in Chelsea, MA, serving grades 9–12 with 198 students. Its state ranking is near the bottom: the school ranks 341 of 353 (3rd percentile, 0 stars) in 2025–26, and its district ranks 349 of 351 (1st percentile, 0 stars). Its rank history is mostly at the bottom of the state, except for an anomalous 2017–18 spike to 6 of 345 (98th percentile, 5 stars) that was not sustained.
Academically and for completion, the numbers are severe. In 2025–26, 10th-grade ELA proficiency was 0%, math 5.56%, science 11.76%, and Biology End-of-Course 4.55%, compared with state averages of 45.48%, 43.73%, 40.5%, and 37.68%. The 2024–25 graduation rate was 12.3%, and the dropout rate was 58.9%. For comparison, Chelsea High reports a 78.2% graduation rate and 15.5% dropout rate; Chelsea Opportunity Academy reports 25.0% and 29.2%; and Excel Academy Charter School reports 95.1% and 1.8%. Phoenix’s dropout rate is about double the next-highest nearby school shown. Because enrollment is small, single-year test results can swing sharply, but multi-year completion data show consistently serious challenges.
One clear positive signal is the English Language Learner subgroup: it ranks 29 of 105 (72nd percentile, 4 stars), far above the school’s overall 3rd percentile. By contrast, the school’s student-to-teacher ratio is 19.9, the highest among nearby schools in this dataset, and per-student spending was $24,338 in 2019–20 and $21,496 in 2020–21—more than most nearby districts, though lower than some nearby city schools. Nearby charter performance varies enormously: Excel Academy Charter School ranks 80 of 353 (77th percentile). Overall, Phoenix faces urgent academic and completion challenges, with ELL effectiveness as the main bright spot to investigate.
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