Summary:
Lockport Township HSD 205 has one listed public high school, Lockport Township High School East, serving grades 9–12 and enrolling 3,678 students. The clearest overall picture is favorable compared with Illinois: in 2025–2026, East exceeded the state in 8 of 9 tested grade-and-subject results, with an average advantage of about 8 points. Its graduation rate was 97% versus 90% statewide, while dropout and chronic absenteeism rates were lower—1% versus 2%, and 21% versus 24%, respectively. Taken together, these measures show East performing above the state in most reported areas.
East’s strongest result was grade 9 mathematics: 60% of students were proficient, compared with 42% statewide, an 18-point advantage. Its average mathematics advantage across grades 9–11 was 12 points; grade 9 ELA was also notably strong, at 73% versus 62% statewide, a 12-point lead. The exception was grade 10 science, where 47% were proficient compared with 48% statewide, about 1 point lower. East is both the highest- and lowest-scoring school in this list simply because it is the only school included, so comparisons with Illinois and with East’s own earlier results are more useful than school-to-school rankings.
Results improved most clearly among ninth graders from 2024–2025 to 2025–2026: scores rose 4 points in ELA, 11 in math, and 4 in science. Grade 10 ELA and science fell by about 5 and 4 points, while math was nearly unchanged; grade 11 ELA and science fell by about 6 and 4 points, while math was nearly unchanged. SchoolDigger gives East four stars and ranks it 142nd of 620 for 2025–2026; its reported percentile declined from 85 to 77 over three years, a separate measure from the test comparisons. The student-teacher ratio was 16.4 in 2024–2025. As context, 17% of students were reported as free/reduced lunch eligible in 2021–2022.
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