The top reported proficiency rate is 62% in Math. The lowest is 49% in Science.
Original Research by School Decision on Mystic Valley Regional Charter (district)
Mystic Valley Regional Charter operates as a single-district charter school serving kindergarten through twelfth grade, with a single campus that draws students from across the region. The enrollment is mid-sized for a K-12 school, with roughly the same number of students in the early elementary grades as in the upper high school grades—a gradual decline in class size from kindergarten through twelfth grade is visible, which is common for a charter school where families enter at different points and some leave before graduation.
The student body is diverse. White students make up the largest share, but Asian students account for a substantial portion as well, followed by Black and Hispanic students. The remaining groups are small. Data on economic disadvantage and special education status was not available in the records we have, so a parent may want to ask the school directly about the share of students who qualify for free or reduced-price meals or receive individualized education plans.
Academically, the district performs above the midpoint among Middlesex County’s districts in overall proficiency across tested subjects and grades. On the state NextGen MCAS assessments, a majority of students scored proficient or above in math and English language arts across grades three through eight. Science results for those grades were lower, with roughly half of students meeting the proficiency standard. Social studies is tested only in eighth grade, and a majority of students scored proficient there as well. The proficiency rates suggest that the school’s academic outcomes are solid relative to the county’s broad range of districts, though not among the very top.
Chronic absenteeism is notably low—the district sits in the top quartile among Middlesex County districts for low rates of chronic absence, which points to consistent attendance and likely strong student engagement. Per-pupil current spending falls in the lower range compared to other districts in the county, which is typical for a charter school; charters often operate with leaner budgets than traditional public districts.
Because this is a single-school charter district rather than a geographically zoned district, families apply through a lottery rather than being assigned by address. The school’s website and enrollment information would be the next step for a parent interested in the admissions process. No details were available on course offerings—Advanced Placement, career and technical education, or dual-enrollment pathways—so a family looking for that kind of breadth should ask the school directly. The same is true for special education services and English learner support, which were not documented in the data we reviewed.
Graduation rate data was not present, so a parent may want to request that figure from the school, especially given that the district serves high school grades and a graduation rate is a standard measure to evaluate. No recent district-level changes or strategic priorities surfaced in publicly available sources; the information we found was limited to directory listings and assessment results.
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