Summary:
The Mammoth Unified school district in Mammoth Lakes, California, operates two high schools: Mammoth High, a comprehensive 9-12 school with 330 students, and Sierra High (Continuation), a much smaller alternative school for grades 10-12 serving only 9 students.
Mammoth High is a standout for its strong graduation rate of 95.6% and excellent performance in English, where over 67% of students are proficient, well above the state average. However, the school faces a significant challenge in mathematics, with less than 25% of students proficient. Chronic absenteeism is also higher than the state average at 27.8%. In contrast, Sierra High (Continuation) serves a very small, at-risk population and, while it has achieved perfect graduation rates in recent years, it struggles with an extreme chronic absenteeism rate over 90%.
Comparing the two schools reveals a major disparity in resources; spending per student at Sierra High is nearly five times higher than at Mammoth High, reflecting the intensive support needed for its students. Overall, the district's high schools excel at keeping students on track to graduate but share concerns around student attendance and have a clear need to improve mathematics instruction at the comprehensive high school.
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