Altadena Elementary

Altadena Elementary operates as an average-sized elementary-level community in Altadena, California, operated by Pasadena Unified. Current enrollment sits at 527 students spanning grades K through 5.

Within Pasadena Unified, which oversees 23 schools and 13,639 students, Altadena Elementary is one campus in the system.

Looking at the student body, Altadena Elementary records that the largest single group is Hispanic at 44%, but no single group is in the majority; the rest reads as 27% White, 13% multiracial, 12% Black, 4% Asian.

Looking at school resources, The school lists 23 full-time-equivalent teachers, for a student-teacher ratio near 23.4:1. Statewide, the average ratio sits near 22.3:1, putting Altadena Elementary higher than the state norm the norm. Roughly 53% of students at Altadena Elementary qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. That share is lower than Los Angeles County's rate of about 70%.

On a demographically-adjusted basis, Altadena Elementary tracks the demographic baseline. The model predicts 48.0% given the school's FRL share; actual proficiency is 46.0%.

In the broader community, the surrounding county (Los Angeles County) shows that median household income runs about $90,112, about 36% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 10%. Across Los Angeles County's 2244 public schools (combined enrollment of about 1,265,907 students), Altadena Elementary is one campus in the mix.

The closest other public school is Charles W. Eliot Middle, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Altadena Elementary. Among the 7 schools in that immediate cluster with test data (this one included), Altadena Elementary ranks 1st on composite proficiency, above the local average of 29.0%.

Altadena Elementary operates from a residential location.

Over the past 7-year window. Altadena Elementary's enrollment has edged up 113% since 2018, when it stood at 247 (now 527). White enrollment moved from 11% to 27% across the same window. Class-load math has pulled in: from 29.1:1 in 2018 to 23.4:1 in 2025.

On allk12, the feed for Altadena Elementary typically covers enrollment questions, classroom assignments, and PTA news. Parents, students, alumni, and staff are welcome to weigh in.