Summary:
Zip code 62257 has two Marissa Elementary School and Marissa Junior & Senior High School, serving PK–6 and grades 7–12, with 492 students combined in Marissa CUSD 40. The clearest area-wide concern is math: in 2025–2026, the schools’ reported All Grades results were 24% and 27%, compared with 40% statewide—shortfalls of 15 and 13 percentage points, respectively.
The strongest results are concentrated in particular grades, not consistently at one school: the high school’s grade 8 students scored 75% in ELA and 66% in science, 12 and 14 points above state results. At the elementary school, grade 3 ELA was 53%, 5 points above the state, while grade 5 ELA was 33%, 22 points below. The high school’s weaker results include grade 11 ACT science at 29% and ACT ELA at 31%, each about 19 points below the state. These grade-specific strengths and gaps may be more useful for families than the schools’ overall figures.
Recent trends are mixed: reported math improved by about 4 points at each school from 2024–2025 to 2025–2026, narrowing both schools’ gaps with the state; elementary ELA rose 10 points, while high school ELA fell 6 points and its advantage over the state narrowed from 14 points to 4. Science also varied by grade: grade 5 rose 28 points and grade 8 rose 12, while grade 11 ACT science fell 15. SchoolDigger’s percentile rank rose from 25 to 36 for the elementary school but fell from 63 to 32 for the high school between 2024–2025 and 2025–2026. As context, 2024–2025 free/reduced lunch eligible figures were 58% and 60%; student-teacher ratios were 11.5 and 9.8. Chronic absenteeism was below the state rate at both schools in 2025–2026: 18% and 16%, versus 24%. Because the schools serve different grade spans, their All Grades comparisons are descriptive rather than like-for-like.
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