At a glance
Reported students
369
NCES CCD 2024–25
Teachers (FTE)
21.53
NCES CCD 2024–25
Student–teacher ratio
17.1:1
Calculated; not a class-size measure
Grades served
KG–05
NCES preliminary directory 2025–26
School benchmarks
California elementary enrollment
32nd percentile
Compared with 5,927 same-level schools reporting enrollment.
District median enrollment
340.5
Costano Elementary: 369 reported students.
State peer staffing position
7th percentile
17.1:1 reported; state peer median 22.4:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 395
- Teachers (FTE)
- 23.3
- Student–teacher ratio
- 17:1
What the reported data says about Costano Elementary
Costano Elementary is a public elementary school serving grades KG–05 in East Palo Alto. It is one of 4 current school records connected to Ravenswood City Elementary. NCES reports 369 students for 2024–25.
Among 5,927 elementary schools in California with comparable records, this school is smaller than the reported median of 455 students. Its enrollment is at approximately the 32nd percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 17.1:1, below the California median of 22.4:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are Hispanic or Latino (72.9%) and Native Hawaiian or Pacific Islander (12.5%). English learners represent 45.1% of enrollment. Students served under IDEA represent 17.7%. These figures help families understand who the school serves; they are not rating inputs.
Questions worth asking Costano Elementary
- 1How do the reported 17.1:1 student–teacher ratio and 21.53 teacher FTE translate into actual class sizes by grade?
- 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
- 3What counseling support is available today? The school reported 0 counselor FTE in 2021–22.
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Enrollment needs
- English learners
- 45.1%
- Students with disabilities
- 17.7%
- Free/reduced-price lunch
- 90%
- Lunch program
- Yes under Community Eligibility Option (CEO)
Reported support staff
- Counselors (FTE)
- 0
- Nurses (FTE)
- 0.25
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 3
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White2.4%
- Hispanic72.9%
- Black7.3%
- Asian0.8%
- American Indian / Alaska Native0.3%
- Native Hawaiian / Pacific Islander12.5%
- Multiracial3.8%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
Gifted and talented
Not reported as offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in Ravenswood City Elementary
Start with campuses at the same school level or with similar reported enrollment.
Belle Haven Elementary
Elementary · Grades KG–05
312 reported students
Los Robles-Ronald McNair Academy
Elementary · Grades KG–05
276 reported students
Cesar Chavez Ravenswood Middle
Middle · Grades 06–08
488 reported students