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Excellent

#449 of 9,533 schools in CA

Top 5% in state

Gaspar De Portola Charter Middle

Middle School · Los Angeles Unified

18720 Linnet St., Tarzana, CA 91356

Charter

Enrollment

1,403

Student-Teacher

23.4:1

Score

8.7

Grades

6th – 8th

Updated 2022-23

How this school compares

In Tarzana

#2 of 4

public schools

California middle schools

#47 of 1,349

In district

#148 of 769

Los Angeles Unified

Academic growth

9.3 / 10

Exceptional

About Gaspar De Portola Charter Middle

Gaspar De Portola Charter Middle School serves grades 6 through 8 in Tarzana, California, enrolling 1,403 students. The school earns a composite score of 8.9/10 and an Excellent rating across both academic performance and student growth. The growth score — 9.3/10 — is the standout figure.

It tops an already-high academic score of 8.9/10, signaling that students here advance measurably faster than at most schools with similar starting points. That combination places Portola at #41 among 1,349 California middle schools, a top-3% finish in the state. Zoomed out, the picture holds: Portola outperforms 96% of California's 9,533 public schools at any grade level, landing at #359 overall.

At 23.4 students per teacher across a 1,403-student enrollment, the school runs at real scale without sacrificing those outcomes. For Tarzana families weighing local middle school options, Portola ranks #2 of 4 in the area. Families prioritizing both a high academic baseline and strong upward student trajectory will find that combination here.

What Parents Should Know

The student-teacher ratio at Gaspar De Portola Charter Middle is 23.4:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Gaspar De Portola Charter Middle is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress9.3Exceptional40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change+0.98 pts/yr
Data Period2019–2024
TrendStable
Academics8.9Excellent35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency56.9%
Reading/ELA Proficiency65.8%
Math vs. State Avg+22.5 pts
Reading vs. State Avg+19.9 pts
Overall Proficiency61%
Expected (poverty-adj.)49%
vs. Expected+12.2 pts
Adjusted Percentile83th
Resources & Environment7.5Very Good25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio23.4:1
Per-Pupil Spending$22,030

Gaspar De Portola Charter Middle — Students at Gaspar De Portola Charter Middle score 61% proficient, which is above what's typical for similar communities (expected: 49%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

45.7%

Students qualifying for federal meal assistance

Test Scores CA CAASPP (2023-24)

Math Proficiency 55.9%
School
State
33.9%
ELA Proficiency 64.9%
School
State
46.6%

Based on 10 test records from CA state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
52%
ELA
61%
2024
Math
56.9%
ELA
65.9%

Source: EdFacts (NCES) and state assessment data. Growth score: 9.3/10.

How Gaspar De Portola Charter Middle Compares

See how Gaspar De Portola Charter Middle performs across key quality dimensions compared to state benchmarks.

Overall Score
8.7/10
95th percentile in CA
Academic
8.9/10
8.9/10
Growth
9.3/10
Above average
Environment
7.5/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
46%
Teaching Staff
23:1 student-teacher ratio
60 teachers

Location

18720 Linnet St., Tarzana, CA 91356

Nearby Alternatives

Families considering Gaspar De Portola Charter Middle may also want to explore other middle schools in the area. Tarzana Elementary (rated 9.4/10, 0.6 miles away), which scores slightly higher. Another option is Vanalden Avenue Elementary (rated 9.1/10, 1.1 miles away, in nearby Reseda), which scores slightly higher. Additionally, Wilbur Charter For Enriched Academics (rated 8.3/10, 0.2 miles away), with a comparable rating. For more schools in Tarzana, see our Tarzana schools guide .

Nearby Schools

20 within 1.3 mi
School Distance Rating
Wilbur Charter For Enriched Academics Tarzana 0.2 mi 8.3
IDEAL ACADEMY FOR EXCEPTIONAL LEARNERS Tarzana 0.4 mi
IDEAL academy for Exceptional Learners Tarzana 0.5 mi
Torah Academy of Los Angeles Tarzana 0.5 mi
Tarzana Elementary Tarzana 0.6 mi 9.4
Nestle Avenue Charter Tarzana 0.8 mi 8.0
DISCOVERY SCHOOL Tarzana 1.0 mi
GAN ISRAEL PRESCHOOL Tarzana 0.9 mi
Gan Israel Hebrew Tarzana 0.9 mi
Vanalden Avenue Elementary Reseda 1.1 mi 9.1
Warrior poets academy llc Encino 0.9 mi
WOODCREST SCHOOL Tarzana 1.1 mi 6.2
International School of Los Angeles–WV Tarzana 1.1 mi
Sherman Oaks Center for Enriched Studies Reseda 1.2 mi 8.3
INTERNATIONAL SCHOOL OF LOS ANGELES - WEST VALLEY Tarzana 1.1 mi 5.8
AMERICAN UNIFIED SCHOOL OF TECHNOLOGY Encino 1.1 mi 8.2
American Unified School of Technology Encino 1.2 mi
CHIME Institute's Schwarzenegger Community Woodland Hills 1.2 mi 7.6
Emelita Street Elementary Encino 1.3 mi 7.4
CRESPI CARMELITE HIGH SCHOOL Encino 1.3 mi 6.6

Neighborhood Census ACS (2019-2023)

Census data for ZIP 91356 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$110,094

Median Home Value

$1,177,200

Median Rent

$2,027/mo

Population

30,809

College Educated

55.5%

Homeownership

57.5%

Avg Commute

32.3 min

Poverty Rate

9%

Median Age

43.3

Community Profile

The community surrounding Gaspar De Portola Charter Middle has a median household income of $110,094. It is a well-educated community where 56% of adults hold a bachelor's degree or higher. The median home value in the area is $1,177,200, with a median rent of $2,027/month. The local poverty rate of 9.0% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Fred Newhart Middle Mission Viejo, CA 8.7
Jane Lathrop Stanford Middle Palo Alto, CA 8.7
Mark Twain Middle Los Angeles, CA 8.7
Virgil Middle Los Angeles, CA 8.7
Abraham Lincoln Middle Selma, CA 8.6
Bernice Ayer Middle San Clemente, CA 8.8

Frequently Asked Questions

Common questions about Gaspar De Portola Charter Middle

What grades does Gaspar De Portola Charter Middle serve?

Gaspar De Portola Charter Middle serves students in grades 6th through 8th.

How many students attend Gaspar De Portola Charter Middle?

Gaspar De Portola Charter Middle has an enrollment of approximately 1,403 students.

What is the student-teacher ratio at Gaspar De Portola Charter Middle?

The student-teacher ratio at Gaspar De Portola Charter Middle is 23.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Gaspar De Portola Charter Middle rank in CA?

Gaspar De Portola Charter Middle is ranked #449 out of 9,533 schools in CA.

What is Gaspar De Portola Charter Middle's MySchoolScout rating?

Gaspar De Portola Charter Middle has a composite rating of 8.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Gaspar De Portola Charter Middle?

Based on the most recent state assessment data, Gaspar De Portola Charter Middle has 55.9% math proficiency and 64.9% reading/ELA proficiency.

Is Gaspar De Portola Charter Middle a charter school?

Yes, Gaspar De Portola Charter Middle is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Gaspar De Portola Charter Middle a Title I school?

No, Gaspar De Portola Charter Middle is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Gaspar De Portola Charter Middle?

45.7% of students at Gaspar De Portola Charter Middle qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
74 Very Walkable
Transit Score
42 Some Transit
Bike Score
61 Bikeable
County Safety
Low (245/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 8th
Enrollment
1,403
Student-Teacher Ratio
23.4:1
Teachers (FTE)
60
Free/Reduced Lunch
45.7%
Type
regular
Setting
Large City
County
Los Angeles County
Data Year
2023–2024

District

Los Angeles Unified
District Enrollment
419,929
Schools in District
785
Per-Pupil Spending
$22,687
District Rank
#148 of 769

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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