The top reported proficiency rate is 22% in Math.
Original Research by School Decision on Sun Valley Academy
Sun Valley Academy is a charter school serving kindergarten through eighth grade in the South Mountain area of Phoenix. It opened in 2023 as a new public school option, part of the Sun Valley Academy - South Mountain Inc. charter district, a single-school district created to serve this part of the city. Because the school is so new, families considering it should weigh what can be learned from its first year of academic results and the still-developing picture that comes with a brand-new institution.
The student body is diverse. A large majority of students are Hispanic, with Black students making up the next largest group. Smaller shares of students are white, identify as two or more races, or are Asian, Native American, or Native Hawaiian or Pacific Islander. The school serves roughly the same number of students in each grade from kindergarten through eighth grade, giving it an enrollment that is on the smaller side for a K-8 school in Phoenix.
State testing data from the 2024-2025 school year, the first year results are available, shows that overall academic proficiency was low. In math, the share of students scoring proficient was well below what you would expect to see in a typical school. In English language arts, the pattern was similar, with low proficiency rates across the grades that had reportable data. Science results were not reportable for the grades tested. The school's overall proficiency index placed it in the bottom quartile relative to districts across Maricopa County. A parent considering this school will want to have a direct conversation with the school about its academic plan, its approach to instruction, and what supports are in place for students who are not yet meeting grade-level standards.
As a charter school, Sun Valley Academy operates with more flexibility than a traditional district school, but it is also a new, standalone entity. It does not have the longer track record of a more established school. The School has no high school grades, so there is no graduation rate to consider. The school does not receive Title I funding according to available data, and information about free or reduced-price meal eligibility was not provided.
Phoenix itself is a large, fast-growing urban center. The South Mountain area sits at the southern edge of the city, near the mountain that gives it its name. Housing in the 85041 zip code has a median value that is a bit below the state average, and rents are modestly lower than many other parts of Phoenix. The area has car-oriented streets on a wide grid. The school's location on Baseline Road is near major east-west routes.
The school was founded recently, and its still early to see how its program will develop over time. There were no program offerings listed in the available data, so families should ask about electives, specials, and extracurricular opportunities. Staffing information was also not available, making it hard to assess class sizes or teacher qualifications directly. The lack of chronic absenteeism data is another gap a parent would want to fill by asking the school directly about attendance patterns.
For a family weighing this option, the core question is whether the school can demonstrate a clear academic trajectory and a plan for improvement, especially given its low first-year test results. The small size and the autonomy of a charter could allow for agile adjustments, but the burden is on the school to show that those adjustments are happening.
See more original research from School Decision →