Summary:
Zip code 29455, encompassing the Johns Island area of South Carolina, is served by a single high school, St. Johns High, which educates students in grades 9 through 12 as part of the Charleston 01 school district.
For parents considering St. Johns High, the most critical takeaway is that the school is showing significant signs of improvement, but it faces a serious challenge with student attendance. The school’s state ranking jumped dramatically from the 6th percentile to the 37th percentile in a single year, and test scores improved across every subject. Most notably, English 1 proficiency soared by nearly 19 points to 58%, and English 2 proficiency is now at a strong 81.5%, nearly matching the state average. However, the school’s chronic absenteeism rate is a staggering 51%, which is more than double the district and state averages. This likely explains why, despite very high per-student spending of over $30,000, proficiency in subjects like U.S. History (38.8%) and Algebra 1 (51%) still lags significantly behind district averages.
Despite these academic hurdles, there is a silver lining: the school boasts a 92.5% graduation rate, which exceeds both the district and state averages. This indicates that while students may struggle with proficiency on standardized tests, the school has strong systems in place to ensure they stay on track to earn a diploma. With a favorable student-teacher ratio of 11.4 to 1 and a clear upward trajectory in academic performance, St. Johns High appears to be a school in transition. The improvements are encouraging, but addressing the absenteeism crisis will be essential for the school to fully realize its potential and close the remaining achievement gaps.
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