Plymouth Elementary

Plymouth Elementary is an elementary-level community of reasonably sized scale in Monrovia, California, overseen by Monrovia Unified, teacheing 547 students in grades K through 5.

Plymouth Elementary is one of 10 schools operated by Monrovia Unified, a district that hosts 4,920 students overall.

On demographics, Plymouth Elementary reports that the largest single group is Asian at 39%, but no single group is in the majority. Other groups include 38% Hispanic, 12% multiracial, 9% White, 3% Black. That is considerably more Asian than the county at large, where the share is closer to 15%.

On the resource side, The school reports having 24 full-time-equivalent teachers, for a student-teacher ratio near 23.3:1. That figure is higher than the state norm's 22.3:1 average. An estimated 52% of students are eligible for free or reduced-price lunch, often used as a Title I proxy. That share is noticeably below Los Angeles County's rate of about 70%.

On a residual basis (actual vs predicted given the student mix), Plymouth Elementary tracks the demographic baseline. The model predicts 48.7% given the school's FRL share; actual proficiency is 57.9%.

Across the wider county, census data for Los Angeles County shows the typical household earns roughly $90,112 per year, 36% of adults hold a bachelor's degree or higher, and the poverty rate sits near 10%. Across Los Angeles County's 2244 public schools (combined enrollment of about 1,265,907 students), Plymouth Elementary is one campus in the mix.

The closest other public school is Camino Grove Elementary, roughly 0.8 miles away. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts Plymouth Elementary at 3rd of 9; the average score across the group is 46.5%.

The school occupies a suburban site.

Over the past 7-year window. Looking back 7 years, enrollment at Plymouth Elementary has climbed 22%, going from 450 students in 2018 to 547 in 2025. Over the same period, the Hispanic share contracted from 62% to 38%. The student-to-teacher ratio pulled in from 26.5:1 in 2018 to 23.3:1 today.

On this page, recent activity here tends to focus on classroom updates, athletics, and weather closures. Members of the school community can share what they know.