CHARLES O DICKERSON HIGH SCHOOL
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Test scores
NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)What this means: On the NYS Assessments, New York's statewide test, about 84 of every 100 students at this school read and write at grade level and about 53 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 6 points since 2023, while math scores are down about 28 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 82% of students here test proficient in math and reading, compared with the roughly 65% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About CHARLES O DICKERSON HIGH SCHOOL
Set in TRUMANSBURG, New York, CHARLES O DICKERSON HIGH SCHOOL is a low-enrollment high school, run under TRUMANSBURG CENTRAL SCHOOL DISTRICT. It serves 271 students across grades 9 through 12. Enrollment runs roughly 59% leaner than the state mean of about 668.
TRUMANSBURG CENTRAL SCHOOL DISTRICT comprises 3 schools with combined enrollment of 957 students; CHARLES O DICKERSON HIGH SCHOOL is among them.
Demographically, CHARLES O DICKERSON HIGH SCHOOL shows that 82% of students identify as White, making the school strongly White-majority; the rest reads as 9% multiracial, 7% Hispanic.
In terms of school funding signals, CHARLES O DICKERSON HIGH SCHOOL records 29 full-time-equivalent teachers, putting the student-to-teacher ratio at about 9.3:1. Statewide, the average ratio sits near 11.0:1, putting CHARLES O DICKERSON HIGH SCHOOL tighter than the state norm the norm. Roughly 26% of students at CHARLES O DICKERSON HIGH SCHOOL qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Tompkins County (around 36%), the school's rate is noticeably below typical.
On a residual basis (actual vs predicted given the student mix), CHARLES O DICKERSON HIGH SCHOOL sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 65.4%; this one delivers 81.7%.
Around the school, the surrounding county (Tompkins County) reports that median household income runs about $74,024, roughly 59% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 7%. Across Tompkins County's 33 public schools (combined enrollment of about 10,392 students), CHARLES O DICKERSON HIGH SCHOOL is one campus in the mix.
TRUMANSBURG ELEMENTARY SCHOOL is the nearest neighboring public school, about 0.1 miles from this campus. 2 of the 8 nearest public schools sit inside a five-mile radius. Ranking that nearby cluster on reported proficiency puts CHARLES O DICKERSON HIGH SCHOOL at 1st of 8; the average score across the group is 54.5%.
The school occupies a rural site.
Five-year trend. Over the past 7-year window, the student count decreased 14%: 316 students in 2018 compared to 271 in 2025. Over the same period, the White share ticked down from 91% to 82%. Class-load math has fell: from 11.7:1 in 2018 to 9.3:1 in 2025.
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Tompkins County at a glance
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