How does Delta Vista Middle compare to other middle schools in Oakley?

Delta Vista Middle has a Scope Score of 29.0/100, ranked #1343 among California middle schools. 8% of students exceed standard, with a total of 1,596 students tested across grades and subjects.

What percentage of students exceed standards at Delta Vista Middle?

7.5% of students at Delta Vista Middle exceed the state standard on CAASPP assessments, while 25.3% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Delta Vista Middle improving or declining?

Based on CAASPP data, Delta Vista Middle's proficiency rate increases by 0.2 percentage points from Grade 6 to grade 8 growth. This suggests the school may be adding value over time.

What is the chronic absenteeism rate at Delta Vista Middle?

22.7% of students at Delta Vista Middle are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in the Scope Score.

Delta Vista Middle

Middle School

Oakley Union Elementary OakleyContra Costa County94561

📍 4901 Frank Hengel Way

Scope Score

out of 100

State Rank

of 1,714 California middle schools

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Building Momentum

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Scope Scores are SchoolScope's analysis of public data from the California Dept. of Education (CAASPP, chronic absenteeism, suspension rates). They are not official CDE ratings and should not be the sole basis for school decisions. See methodology.

School overview

Enrollment

900 students

Student-Teacher Ratio

23:1

Free/Reduced Lunch

42%

Teachers

39 full-time

Dashboard indicators

How this school's scores changed from last year to this year

ELA Year-over-Year

Increased

+4.9 pts DFS change

Math Year-over-Year

Declined

-3.2 pts DFS change

EL Proficiency (ELPAC)

14.5%

English learners at Level 4 (Well Developed) · 76 tested

Data source: California School Dashboard 2025, ELPAC 2024

Student demographics

Hispanic44.0%

White24.2%

Asian5.1%

Black14.3%

Other12.3%

Performance breakdown

Performance breakdown for Delta Vista Middle
Category	Percentage
Exceeded Standard	7.5%
Met Standard	17.7%
Below Standard	74.7%

Score Factors

Holding Back

▼Exceeded standard: 7.5%

9.8pp below state avg (state avg 17.3%)

30% weight

▼Met or exceeded: 25.3%

14.3pp below state avg (state avg 39.5%)

20% weight

▼Growth (G6→G8): +0.2pp

Scores improve across grades (state avg +0.8pp)

15% weight

▼Chronic absenteeism: 22.7%

3.4pp above state avg (state avg 19.3%)

15% weight

▼Baseline proficiency: 25.3%

Below state baseline (state avg 39.5%)

10% weight

▼Suspension rate: 11.8%

7.7pp above state avg (state avg 4.1%)

10% weight

Unlike traditional school ratings, we show our work. Every factor, its weight, and how this school compares to the state average — so you can decide what matters most to your family. The middle school Scope Score is weighted across 6 dimensions. See full methodology →

What other rankings don't show you

Most rating sites report "25% proficient" for Delta Vista Middle and stop there. Here's what that number hides:

7.5% of students exceeded standard while 17.7% met it. That exceeded rate is 9.8 points below the state average of 17.3%. That's 4.0 points below the Oakley Union Elementary district average of 11.6%. Nearby schools (within ~3 miles) average 7.3% exceeded — about the same. The gap between "met" and "exceeded" can reveal how much a school's curriculum challenges students beyond proficiency.

Students here improve by 0.2 percentage points from Grade 6 to grade 8 growth, suggesting the school is adding value beyond what students arrive with.

California's Dashboard shows ELA performance increased and Math declined year-over-year. 14.5% of English learners reached Level 4 (Well Developed) on ELPAC.

Chronic absenteeism is 22.7%, above the state average of 19.3%.

Why the exceeded vs. met split matters →

A low score doesn't tell the whole story. Read: Your School Scored Low — Here's What That Actually Means

Key metrics

% Exceeded Standard

7.5%

Students scoring above proficient

% Met or Above

25.3%

Students meeting standard

Growth (G6→G8)

+0.2pp

Change in proficiency rate

Chronic Absenteeism

22.7%

Students missing 10%+ of days

Suspension Rate

11.8%

Students suspended at least once

Total Tested

1,596

Across all grades & subjects

Grade trajectory

How proficiency compares across grade levels this year (different students, same test year)

ELA Trajectory

G6 → G7 → G8

Math Trajectory

G6 → G7 → G8

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
6th	248	6.8%	27.0%	29.0%	37.1%	33.9%
7th	290	10.7%	23.4%	29.3%	36.5%	34.1%
8th	265	9.1%	22.6%	32.8%	35.5%	31.7%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
6th	250	5.6%	10.8%	25.2%	58.4%	16.4%
7th	280	6.1%	10.4%	23.2%	60.4%	16.4%
8th	263	6.8%	12.2%	20.1%	60.8%	19.0%

K-12 Feeder PathBoundary data

Elementary

Gehringer Elementary

52.0# in state

Vintage Parkway Elementary

47.0# in state

Iron House Elementary

32.0# in state

Also serves area

Summer Lake Elementary

40.3# in state

Oakley Elementary

24.1# in state

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Middle

Delta Vista Middle

29.0# in state

This school

▼

High School

No feeder data available for this level

Feeder patterns derived from 2015-16 NCES attendance boundary data. Boundaries may have changed. Contact your school district for current information.