Schools in Zip Code 95640

ZIP code 95640 has one listed school, Ione Elementary, a K–6 school with 564 students in the Amador County Unified district. With no other schools in the list, the most useful comparisons are with district and California results. In 2025–26, Ione’s proficiency was below the state result in ELA, math, and science, with the largest gap in ELA: 23% at Ione versus 49% statewide, a 26-percentage-point difference.

There is no meaningful local “top” or “bottom” school because Ione is the only one listed. Compared with the district in 2025–26, Ione was lower by 9 percentage points in ELA, 1 point in math, and 1 point in science; compared with the state, science was its closest subject, 12 points behind. Results also varied by grade: grade 3 ELA was a particular low point, with 11% proficiency versus 44% statewide for that grade, a 33-point gap. Grade 5 ELA was higher at 29%, though still below the state’s 49% for grade 5.

Ione’s all-grades results fell from 2024–25 to 2025–26 in all three subjects: ELA dropped 7 percentage points, math 3, and science 7, while state results rose in each subject. The state gap widened most in science, from 2 points to 12. SchoolDigger placed Ione in the 14th percentile in 2025–26, down from the 24th percentile the year before. Other context: the student-teacher ratio was 25:1 in 2024–25, and 34% of students were reported as free/reduced lunch eligible that year. Chronic absenteeism was 23% in 2025–26, compared with 21% in the district and 18% statewide.