Summary:
Blanche Thomas High School is the only high school listed in Sentinel, serving grades 9–12 with 80 students. With no other local high schools to compare, the clearest picture comes from its results versus Oklahoma and the Sentinel district. The school’s performance varies sharply by subject, and mathematics is the most important concern: in 2025–26, 12% were proficient, 13 points below the state.
Blanche Thomas stands out positively in U.S. History and science, where 51% and 40% were proficient, respectively—10 points above Oklahoma in each subject. English Language Arts I was also above the state, at 34% versus 26%, an 8-point advantage. Mathematics was the low point at 12%, below both the state’s 25% and the district’s 27%; by contrast, the school was above the district by 13 points in English Language Arts I and 15 points in science. The 11th-grade results differ from the all-grades picture in English: 11th graders were 2 points below the state, while science was 19 points above it.
Results have weakened most clearly in mathematics: proficiency fell from 21% in 2024–25 to 12% in 2025–26, while the state result slipped from 26% to 25%. Across the four subjects, the school’s average fell from 38% to 34%, narrowing its advantage over the state from 7 points to 4. SchoolDigger ranked Blanche Thomas 117th of 462 schools and in the 75th percentile in 2025–26, down from 83rd of 432 and the 81st percentile in 2023–24; it received four stars in all three reported years. Other context: the student-teacher ratio was 9.5 in 2024–25, and 61% of students were free/reduced lunch eligible that year. Chronic absenteeism was 1% in 2025–26, compared with 16% statewide; the 2024–25 graduation rate was 76%, versus 78% statewide.
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