Summary:
Key Biscayne, Florida, is home to a single high school, Mast Academy, a public magnet school serving grades 6 through 12 that stands as an elite academic institution within the Miami-Dade County Public Schools district.
Mast Academy consistently ranks in the top 2% of all high schools in Florida, earning a 5-star rating from SchoolDigger with a state ranking between 14th and 18th out of over 800 schools over the past three years. The school boasts a 98% graduation rate, significantly outpacing both the district (93.1%) and the state (92.2%). Academic proficiency is remarkably high across all subjects, with recent test scores showing 100% proficiency in US History, 98% in Algebra 1, 97% in Civics, 96% in Biology, 95% in Geometry, and 92% in 10th Grade English Language Arts. Chronic absenteeism is low at 12.2%, compared to the district rate of 28.2% and state rate of 31.4%.
With a student-teacher ratio of 20.4:1 and a per-student spending of $11,780, Mast Academy achieves top-tier results without an exceptionally large budget, suggesting efficient resource allocation. The school serves grades 6-12, cultivating academic excellence early, as evidenced by 6th-grade Math and ELA proficiency rates of 91% and 90% that remain high through 10th grade. The free/reduced lunch rate is 10.44%, indicating a predominantly high-income student population. This single-school area offers families a premier educational choice with consistent, near-perfect performance across all metrics, making it a standout institution in Florida.
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