- Enrollment
- 929
- Students per teacher
- 20.2:1
- Resource Index
- 51/100
Elementary school (grades K-5) · San Mateo, CA
Parkside Montessori
Federal NCES profile for Parkside Montessori, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 063492005916
👥 S:T ratio 0
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 73
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Parkside Montessori earns 36/100 on the Resource Investment Index, with class sizes larger than 92% of California schools. It is also more racially and ethnically mixed than most California schools.
- #7 of 14
- elementary schools in San Mateo · Resource Index
- 36
- Resource Index · Typical
- 27.9:1
- large classes for California
- 11.6%
- free-lunch eligible
Parkside Montessori has class sizes larger than 92% of California schools. Computed live against every California school reporting to NCES.
By Resource Investment Index, Parkside Montessori ranks #7 of 14 elementary schools in San Mateo, CA.
School address
District: San Mateo-Foster City · California
NCES ID 063492005916 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+91 students YoY
Parkside Montessori grew from 328 students in 2022-23 to 419 in 2023-24 (+27.7%).
Teacher FTE added 15.9 → 19.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+91 students YoY 063492005916 · San Mateo, CA Elementary · SMALL · TRAD
418 enr · 27.9:1 · 11.6% lunch · RII 36
Nearest enrollment peer: Bowditch Middle (929 students)
Parkside Montessori grew from 328 students in 2022-23 to 419 in 2023-24 (+27.7%). Teacher FTE added 15.9 → 19.0 across the same CCD years. Read with this school → · District book → · California schools → · Find another →
Parkside Montessori in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Bowditch Middl
Bowditch Middle
929 students
- Borel Middle
Borel Middle
903 students
- Bayside Academ
Bayside Academy
840 students
- Abbott Middle
Abbott Middle
721 students
- Foster City El
Foster City Elementary
624 students
- This school
Parkside Montessori
418 students
What this shows Parkside Montessori reports 418 students on the CCD universe file.
How Parkside Montessori compares
Parkside Montessori is a growing campus on CCD: ratios and free-lunch share vs California and U.S. means.
| Metric | This school | vs California | California avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 27.9:1 | ▲ 30% | 21.5:1 | 15.7:1 |
| Free-lunch eligible | 11.6% | ▼ 79% | 55.5% | 51.7% |
| Enrollment | 418 | top 58% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
27.9:1
Leaner classes than 3% of US schools, heavier class loads than most.
418
Bigger than 50% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
11.6%
free-lunch eligible
- 79% below the California average of 55.5%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
27.9:1
students per teacher
- 30% above state mean
Top 92% in California - lower ratio than 8% of state schools
Well above 20:1, one of the more stretched staffing loads nationally relative to enrollment.
Engagement
11.0%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$19,624
per pupil, district-wide
- above California avg of $18,665
Somewhat above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors0.5 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 3 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.7 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 34.7%
Asian 29.2%
Hispanic or Latino 20.6%
Two or More 13.4%
African American 1.7%
Native Hawaiian / Pacific Islander 0.5%
Largest group: White at 34.7% of enrollment.
Student-body diversity index 73.4/100
Simpson diversity index - at 73.4, Parkside Montessori is more mixed than the California school average of 46.0.
Programs
Gifted & talented Yes
District finance for San Mateo-Foster City reports $19,624 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Parkside Montessori Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Bowditch Middle | Larger | Similar economic need | Lower S:T ratio |
| Borel Middle | Larger | Higher economic need | Lower S:T ratio |
| Bayside Academy | Larger | Higher economic need | Lower S:T ratio |
| Abbott Middle | Larger | Higher economic need | Lower S:T ratio |
| Foster City Elementary | Larger | Similar economic need | Lower S:T ratio |
Comparisons are relative to Parkside Montessori's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 903
- Students per teacher
- 18.1:1
- Resource Index
- 47/100
- Enrollment
- 840
- Students per teacher
- 19.1:1
- Resource Index
- 43/100
- Enrollment
- 721
- Students per teacher
- 16.4:1
- Resource Index
- 33/100
- Enrollment
- 624
- Students per teacher
- 18.9:1
- Resource Index
- 33/100
Similar elementary schools in San Mateo
6 comparable elementary schools (grades K-5) serving the same city.
Bayside Academy
Standard public school
840 students 19.1:1 students per teacher
Baywood Elementary
Standard public school
489 students 21.3:1 students per teacher
Laurel Elementary
Standard public school
469 students 19.5:1 students per teacher
College Park Elementary
Standard public school
431 students 23.9:1 students per teacher
Fiesta Gardens International Elementary
Standard public school
418 students 22:1 students per teacher
Highlands Elementary
Standard public school
379 students 21.1:1 students per teacher
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~418 students)
Frequently asked questions about Parkside Montessori
How many students attend Parkside Montessori?
Parkside Montessori has 418 students enrolled. It is an elementary school in San Mateo, CA. CCD year-over-year: 328 (2022-23) → 419 (2023-24), up 91.
What is the student-teacher ratio at Parkside Montessori?
The student-teacher ratio at Parkside Montessori is 27.9:1, which is 30% higher than the California average of 21.5:1 and 78% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Parkside Montessori?
11.6% of students at Parkside Montessori are eligible for free lunch, compared to the California average of 55.5%.
What is the racial and ethnic makeup of Parkside Montessori?
The largest demographic group at Parkside Montessori is White at 34.7% of enrollment, in San Mateo, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 73.4/100.
What is the Resource Investment Index for Parkside Montessori?
Parkside Montessori has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Parkside Montessori rank among elementary schools in San Mateo?
By Resource Investment Index, Parkside Montessori ranks #7 of 14 elementary schools in San Mateo, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in San Mateo on the city page.
What other schools are in San Mateo-Foster City?
Besides Parkside Montessori, San Mateo-Foster City also operates Bowditch Middle (929 students), Borel Middle (903 students), and Bayside Academy (840 students). See the San Mateo-Foster City district page for the complete list.