Summary:
Norwalk City is home to one public high school: Norwalk High School, which serves grades 9–12 with 699 students and is part of the Norwalk City district. Because it is the only high school in the area, families do not have a local comparison point among schools — the relevant benchmarks are the district and the state.
Academically, Norwalk High School scored above the state average in most tested subjects in 2025–2026, with a simple average proficiency of 65.45% versus the state's 63.23%. American Government was the standout at 79.6% proficient, 8.0 points above the state, and Algebra I (65.8%), English II (66.5%), and American History (75.3%) also came in above state levels. Biology (63.8%) and Geometry (41.7%) fell below the state. Looking year over year, the school's overall average dipped 1.45 points, driven mainly by a 7.9-point drop in Biology and a 4.9-point drop in American History, while American Government and English II improved. That shift shows in the school's rating, which fell from the 55th–57th percentile and 3 stars in the prior two years to the 45th percentile (436 of 795) and 2 stars in 2025–2026.
Other key numbers are mixed. The 2025–2026 graduation rate is a strong 93.4%, matching the district. Chronic absenteeism, however, is 22.8% at the school compared with 18.4% in the district — meaning nearly 1 in 4 students was chronically absent. Geometry remains the lowest-scoring subject and has been below the state in both years, and Algebra I, while above the state, trails the district rate of 72.8%. Free/reduced lunch data is blank for 2024–2025, and per-student spending of $8,545 dates to 2018–2019, so those figures offer limited current context.
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