Summary:
Zip code 29555, encompassing the Johnsonville, SC area, is served by a single high school, Johnsonville High, which educates students in grades 9 through 12 within the Florence 05 school district.
For parents considering this area, Johnsonville High presents a mixed picture of strengths and challenges. The school maintains a favorable student-teacher ratio of 12.2:1 and spends a robust $15,192 per student, suggesting resources are available for individualized attention. Its graduation rate of 88.8% slightly exceeds the state average, and its dropout rate of just 1.2% is notably lower than the state's 2.1%, indicating strong student retention. However, the school's most pressing concern is chronic absenteeism, which stands at 28.6%—significantly higher than the state average of 22.3%. This means nearly one in three students is missing substantial instructional time, a factor that likely contributes to the school's volatile state ranking, which dropped from the 49th percentile in 2024-2025 to the 38th percentile in preliminary 2025-2026 data.
Academically, the school shows a stark divide by subject. It excels in Algebra 1, with 75% proficiency in 2025-2026, outperforming the state average by over 10 points, and also performs well in English 2 at 77.28%. Yet, it struggles significantly in English 1 (48.71% proficient) and U.S. History (50.01%), both trailing the state by roughly 12 points. The 28.57-point gap between English 1 and English 2 proficiency is particularly unusual and may indicate either a challenging 9th-grade curriculum or strong academic growth by 10th grade. Given that the school's test scores mirror the district averages exactly—likely because it is the only high school in Florence 05 administering these exams—parents should focus on the school's individual subject-level performance and attendance patterns when evaluating fit.
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