Summary:
The Clinton County R-III school district in Missouri is home to a single high school, Plattsburg High, serving grades 9-12. With a total enrollment of 187 students, Plattsburg High has seen its statewide ranking fluctuate in recent years, ranging from 104th out of 367 Missouri high schools in 2024-2025 to 240th out of 361 in 2021-2022.
Plattsburg High maintains a strong 100% four-year graduation rate, but its chronic absenteeism rate of 11% is slightly higher than the state average. Academically, the school's students have outperformed the state average in both Algebra I and Biology I End-of-Course exams, with proficiency rates of 52.5% and 37.5%, respectively, in 2024-2025. However, the school serves a relatively high percentage of economically disadvantaged students, with 35.83% of its population receiving free or reduced-price lunch.
Despite the school's fluctuating performance, Plattsburg High appears to be providing a more personalized and resource-rich learning environment, with a higher-than-average per-student spending of $15,219 and a lower student-teacher ratio of 10.3. Continued monitoring and targeted interventions may help the school maintain and improve its academic achievements over time.
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