Summary:
There is one school in the Phoenix Academy Charter Public High School Chelsea district: Phoenix Academy Charter Public High School Chelsea, a high school serving grades 9–12 in Chelsea, Massachusetts, with 198 students. Because it is a single-school district, the school and district figures in this data are identical throughout.
The current performance profile is very low. Its district rank is 349 out of 351, at the 1st percentile with 0 stars, and its 2025–2026 rank is 341 out of 353, at the 3rd percentile with 0 stars. The available history shows a sharp contrast: in 2017–2018 it ranked 6 out of 345, at the 98th percentile with 5 stars, then fell to 312 out of 351 in 2018–2019, at the 11th percentile with 1 star. For 2024–2025, the graduation rate is 12.3% and the dropout rate is 58.9%. MCAS Next Generation proficiency is far below state levels in every reported row. In 2025–2026, 10th-grade ELA was 0%, Mathematics 5.56%, Science 11.76%, and Biology End of Course 4.55%; in 2024–2025, Biology All Grades was 0%, ELA 10th grade 9.09%, and Mathematics 10th grade 0%. Gaps versus the state range from about 28.7 to 45.5 percentage points, and the school’s highest reported proficiency, 11.76% in Science, is still below the lowest reported state value, 37.68% in Biology End of Course.
Resource indicators show per-student spending of $21,496 in 2020–2021 and a student-teacher ratio of 19.9 in 2024–2025, which implies roughly 10 teachers at 198 students, though the years may differ. Free/reduced-lunch data is not reported, so it should not be treated as 0%. With only one school and no state comparators for graduation, dropout, spending, or student-teacher ratio, the data has limits. Overall, the most recent picture is severe underperformance relative to Massachusetts, and the strong 2017–2018 ranking is a historical outlier rather than the current profile.
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