Summary:
Zip code 30188 in Woodstock, Georgia, is served by a single high school, River Ridge High School, which enrolls 1,902 students in grades 9–12 as part of the highly ranked Cherokee County School District.
River Ridge High School is a standout performer, earning a 5-star rating for three consecutive years and ranking 32nd out of 455 Georgia high schools (top 7% statewide). The school has shown consistent improvement, climbing from 38th to 32nd in state rankings over the past three years. Academically, River Ridge outperforms both district and state averages in every tested subject. In 2025–2026, 70.5% of students were proficient in Algebra I (compared to 48.1% statewide), 71.2% in Biology (vs. 47.2% statewide), and 73.8% in U.S. History (vs. 38.5% statewide). The most remarkable gain came in U.S. History, which jumped 12.9 percentage points in a single year. Note that current English Language Arts scores have not yet been released, so no conclusions should be drawn from that missing data.
The school also excels in student outcomes beyond test scores. Its graduation rate stands at 95.7%, well above the district's 91.8% and the state's 87.2%, while its dropout rate of 0.8% is just one-third of the state average. Chronic absenteeism (12.0%) is below the state rate of 17.7% but slightly above the district's 10.2%, a minor area to monitor. With a student-teacher ratio of 16.4:1 and per-student spending of $12,800, River Ridge achieves top-tier results without exceptionally high funding, suggesting efficient resource use. About 30% of students qualify for free or reduced lunch, indicating moderate economic diversity. Overall, River Ridge High School is an upward-trending, high-achieving institution that offers families in zip code 30188 a strong educational option with exceptional academic performance and student support systems.
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