Summary:
Zip code 46563 is home to a single public high school: Plymouth High School, part of Plymouth Community School Corp. It serves grades 9–12 with an enrollment of 1,034 students. Because there is only one high school in this area, there is no in-zip comparison to make — the useful benchmarks are the district and the state of Indiana.
The school's standout strengths are graduation and college-readiness measures. Its 2024–2025 graduation rate of 95.3% runs 5.6 percentage points above Indiana's 89.7% and matches the district. SAT results are above the state in both reported years: 57.21% in Evidence-based Reading and Writing and 31.08% in Math for 2025–2026, versus state figures of 51.9% and 25.6%, and even stronger marks in 2024–2025 (61.54% and 37.69%). Plymouth High School also earned a 4-star rating in each of the last three listed years, with percentile ranks of 71st, 84th, and 78th — stronger than the district's overall 3-star, 62nd-percentile standing.
Two areas are worth watching. SAT scores slipped year over year, with ERW down 4.33 points and Math down 6.61 points, though both remain above state averages. Chronic absenteeism sits at 14.9%, below the state's 16.7% but 4.1 points above the district's 10.8%, suggesting absenteeism is more concentrated at the high school level. Biology results are mixed: 44.5% in 2024–2025, slightly under the state's 45.6%, improving to 46.78% in 2025–2026, a year for which no state comparison is provided. For context, 52.61% of students qualify for free/reduced lunch, per-student spending is $12,248, and the student-teacher ratio is 13:1.
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