Summary:
Colleton County High is the sole high school serving grades 9-12 in the Colleton 01 district in Walterboro, South Carolina, with 1,352 students and a 16.4:1 student-teacher ratio.
Because this is a single-school district, all district-level metrics mirror the school's performance exactly. The school has consistently ranked in the bottom 11% of South Carolina high schools over the past three years, though its most recent percentile improved from 3rd to 11th. The graduation rate stands at 76.8%, nearly 10 points below the state average of 86.7%, and the dropout rate of 4.2% is double the state's 2.1%. Chronic absenteeism is a major concern, with 36.6% of students missing significant school days compared to 22.3% statewide—a gap that likely contributes to lower academic outcomes. The school spends $14,624 per student annually, yet results remain below state averages across all subjects.
Test scores show a mixed picture with some encouraging signs. In 2025-2026, English 2 proficiency reached 73.4%, coming within 10 points of the state average and representing a relative strength. However, U.S. History proficiency sits at just 34.9%, a 27.7-point gap from the state, and Algebra 1 proficiency was 51.4% in 2024-2025, trailing the state by 22.6 points. The most notable finding is the dramatic year-over-year improvement: English 1 scores jumped from 28.1% to 44.2% proficient, and U.S. History rose from 27.4% to 34.9%. While still below state averages, this upward trajectory across all subjects suggests recent interventions may be taking effect. For parents, the key takeaway is that Colleton County High faces significant challenges, particularly with attendance and history instruction, but the latest data offers cautious optimism for continued improvement.
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