The top reported proficiency rate is 47% in Math. The lowest is 13% in Science.
Original Research by School Decision on Parnassus Preparatory Charter Sch
Parnassus Preparatory Charter School is a single-district charter system in Hennepin County, Minnesota, serving kindergarten through twelfth grade. Compared with other districts in Hennepin County, overall proficiency across tested subjects and grades lands above the midpoint. That headline, however, masks a more uneven picture. In math, early elementary grades perform relatively well, with strong proficiency in third and fourth grades, but a notable drop appears beginning in fifth grade, and the downward trend continues through eighth grade. A similar pattern holds in reading, where sixth grade stands out as a relative high point, while third, fourth, seventh, and eighth grades fall in a moderate range. Science results, available for fifth and eighth grades, are markedly low compared to both the district's own math and reading scores and the wider context of the county, and a parent may want to look into this further with the school.
The district has low chronic absenteeism relative to other districts in the county, falling in the top quartile. That is a meaningful strength, indicating that most students attend school consistently. Per-pupil current spending is in the lower range among Hennepin County districts, a characteristic that often goes along with the charter model, and which some families weigh alongside academic program breadth when evaluating resource allocation.
The student body is diverse. A large share of students are Black, roughly half of the enrolled population, with White students and Asian students each representing substantial groups, and smaller shares of Hispanic students and students of two or more races. Enrollment is relatively small for a K-12 district, with a class-size pattern that is healthy in elementary grades but becomes quite small in upper high school, with far fewer students in tenth, eleventh, and twelfth grades. This is a school that retains a smaller share of its entering cohort through the high school years, which may reflect families choosing other options, school capacity, or other factors not captured in the available data.
The graduation rate was not available in the data, so it is not possible to assess that metric directly. The school operates as three sub-schools: Grammar for the elementary years, Logic for middle grades, and Rhetoric for high school, a structure common to classical education models. No data was provided on course access, advanced placement, or dual-credit offerings, so the breadth of academic pathways beyond the tested core subjects is unclear. Similarly, free-or-reduced-price lunch status, special education identification, and English learner data were not reported, which leaves a significant gap in understanding the level of student support need the school serves.
The district brief search turned up no recent property-tax shifts, referenda, or curriculum overhauls. The school's programming and approach appear to be stable, with no major parent-relevant changes publicly reported in the immediate past.
For a family considering this school, the draw appears to be a coherent K-12 classical charter structure in a diverse setting with strong early-elementary math and solid attendance habits. The soft spots are the declining math proficiency in upper elementary and middle school, the low science results, the thin upper high school enrollment, and the lack of public data on college-preparatory or career pathways. A parent whose priorities include a classical curriculum and a relatively small learning community may find this a reasonable fit, but they should seek direct information from the school on curriculum breadth, high school retention, and postsecondary preparation to fill in what the available data leaves unanswered.
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