Summary:
Three Rialto High, Eisenhower High, and Dr. John H. Milor High Continuation serve grades 9–12 in zip code 92376 as part of Rialto Unified. The area includes two large comprehensive high schools and a much smaller continuation school, with enrollment ranging from 190 to 2,623. Results differ sharply by school: Milor’s much lower scores pull down the three-school averages and do not reflect the results at the two comprehensive schools.
Rialto High leads in all three subjects, while Eisenhower High is second and especially close in ELA. In 2025–26, ELA proficiency was 63% at Rialto, 61% at Eisenhower, and 10% at Milor, compared with 49% statewide. Math results were 25%, 15%, and 4%, respectively, versus 38% statewide. In science, Rialto scored 38%, above the state’s 36%; Eisenhower scored 30% and Milor 1%. Milor was 39 percentage points below the state in ELA and 35 points below in science. The clearest shared academic weakness is math: even Rialto, the area’s top performer, scored below the state.
Recent trends favor Rialto: from 2024–25 to 2025–26, its proficiency rose by 1 percentage point in ELA, 2 in math, and 4 in science. Eisenhower fell by 12, 9, and 6 points, while Milor gained 6 points in ELA and 2 in math but dropped 5 points in science. SchoolDigger’s percentile ranking rose from 52 to 64 for Rialto, fell from 68 to 51 for Eisenhower, and edged up from 5 to 6 for Milor between 2023–24 and 2025–26. Attendance is another concern: chronic absenteeism was 26% at Rialto, 23% at Eisenhower, and 55% at Milor, compared with 18% statewide. In 2024–25, all three reported free/reduced lunch eligible: 86% at Rialto, 87% at Eisenhower, and 81% at Milor. Milor also had a 10:1 student-teacher ratio, versus 22.9:1 at Rialto and 21.4:1 at Eisenhower; these are useful context, not explanations for the score differences.
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