The top reported proficiency rate is 81% in English language arts. The lowest is 66% in Science.
Original Research by School Decision on Basis Charter Schools Inc. (91949)
BASIS Charter Schools Inc. operates as a district-wide charter network in Arizona, serving kindergarten through twelfth grade. Its single listed campus is BASIS Mesa. For a family evaluating options, the core story here is straightforward: strong academic proficiency, relatively low chronic absenteeism, lower per-pupil spending, and a student body that is diverse in racial and ethnic composition but for which other key demographic data — economic disadvantage, special education, and English learner status — are not available.
On state assessments, across the grades tested, a substantial majority of students met proficiency standards in both reading and math. The performance in reading was particularly consistent, with most elementary and middle school grades showing high proficiency rates. In math, the pattern was more variable but still well above the county median overall. Upper elementary and middle school grades posted math proficiency rates that were especially strong. Science scores, available for grades five and eight, also showed solid majorities of students reaching proficiency. The district’s overall proficiency index places it in the top quartile when compared with other districts in Maricopa County. The available multi-year data covers only two recent school years and shows little change, so a clear trend is not yet established.
Chronic absenteeism is low. The district ranks in the top quartile among county districts for low absenteeism, meaning that a smaller share of students misses substantial instructional time. That is a positive indicator of student engagement and school environment. Per-pupil current spending lands in the lower range of county districts. Charter networks often operate with leaner budgets, and this one is no exception. Families who weigh per-pupil expenditure as a proxy for resources may want to ask what specific supports the budget funds.
Enrollment stands at roughly mid-sized for a district of this grade span. The grade-by-grade figures show a steady flow in elementary and middle school and a smaller high school population, suggesting that many families enter the network early but fewer remain through the upper grades. The racial and ethnic composition is notably diverse: Asian and White students each make up a substantial share, followed by Hispanic, multiracial, and Black students. American Indian students account for a very small portion. Data on free or reduced-price meal eligibility, special education services, and English learner status are absent from the available records. A parent wanting to understand the share of students with those needs, or the district’s approach to serving them, would need to seek that information directly from the school.
No recent parent-relevant changes, such as boundary adjustments, leadership turnover, or program overhauls, were found in publicly reported sources. The network appears to operate without major disruption, though the available research was thin on specific district developments.
This is a academically strong charter network, with test scores that place it comfortably ahead of most county districts. Its spending is lean and its attendance record strong. However, the gaps in student support data — no information on poverty, special education, or language services — mean that a parent whose child may need those supports will have to do additional homework. The network serves a diverse population, but the evidence does not show how equitably resources or outcomes are distributed across groups. For families centered on academic rigor and a structured curriculum, the proficiency results speak clearly. For those seeking a fuller picture of student supports and equity, the open questions will require a conversation with the school.
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