Mariano Castro Elementary

Mariano Castro Elementary operates as a cozy K-5 school in Mountain View, California, overseen by Mountain View Whisman. Current enrollment sits at 248 students spanning grades K through 5. Compared to the state average of about 465 students per school, that is 47% smaller than typical.

Mariano Castro Elementary is one of 11 schools operated by Mountain View Whisman, a district that teaches 4,624 students overall.

Demographically, Mariano Castro Elementary records that 91% of students identify as Hispanic, making the school strongly Hispanic-majority. Beyond that, the school logs 4% Asian, 4% White. By comparison, Santa Clara County as a whole is about 25% Hispanic, so the school skews considerably more Hispanic than its surroundings.

On the income-and-resources front, The school reports having 14 full-time-equivalent teachers, for a student-teacher ratio near 17.7:1. That figure is tighter than the state norm's 22.3:1 average. Around 83% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. Set against Santa Clara County (around 37%), the school's rate is noticeably above typical.

Adjusting for the school's free-and-reduced-lunch share, Mariano Castro Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 30.3%, the actual is 17.4%, a residual of -12.8 points.

In the area at large, the surrounding county (Santa Clara County) shows that the typical household earns roughly $164,281 per year, roughly 57% of adults have completed at least a four-year degree, and roughly 4% of residents live below the federal poverty line. Mariano Castro Elementary is one of 412 public schools in Santa Clara County (combined enrollment of about 230,059 students).

The closest other public school is Gabriela Mistral Elementary, roughly 0.1 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), Mariano Castro Elementary ranks 8th on composite proficiency, behind the local average of 63.1%.

Mariano Castro Elementary operates from a high-density location.

Looking at the recent track record. Over the past 7-year window, the student count changed only slightly: 253 students in 2018 compared to 248 in 2025. Hispanic enrollment moved from 85% to 91% across the same window. Class-load math has pulled in: from 21.1:1 in 2018 to 17.7:1 in 2025.

Inside the community feed, the page collects discussion, questions, and updates around fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.