How does Old River Elementary compare to other elementary schools in Brentwood?

Old River Elementary has a SchoolScope composite score of 46.2/100, placing it at the 57th percentile statewide. 22% of students exceed standard, with a total of 814 students tested across grades and subjects.

What percentage of students exceed standards at Old River Elementary?

22.1% of students at Old River Elementary exceed the state standard on CAASPP assessments, while 53.2% meet or exceed it. The gap between these two numbers reveals whether the school pushes students beyond basic proficiency.

Is Old River Elementary improving or declining?

Old River Elementary's proficiency rate decreases by 19.2 percentage points from grade 3 to grade 5, suggesting the school is not sustaining early academic gains.

What is the chronic absenteeism rate at Old River Elementary?

14.0% of students at Old River Elementary are chronically absent (missing 10% or more of school days). This metric reflects school culture and family engagement, and is weighted at 15% in our composite score.

Old River Elementary

Knightsen Elementary Brentwood Contra Costa County 94513

Composite Score

out of 100

State Percentile

of elementary schools

State Rank

814 students tested

School overview

Enrollment

309 students

Student-Teacher Ratio

24:1

Free/Reduced Lunch

16%

Teachers

13 full-time

Student demographics

Hispanic 36.6%

White 46.9%

Asian 2.9%

Black 1.9%

Other 11.7%

Performance breakdown

Performance breakdown for Old River Elementary
Category	Percentage
Exceeded Standard	22.1%
Met Standard	31.1%
Below Standard	46.8%

Exceeded

22.1%

Met

31.1%

Below

46.8%

What other rankings don't show you

Most rating sites report "53% proficient" for Old River Elementary and stop there. Here's what that number hides:

22.1% of students exceeded standard while 31.1% merely met it. That exceeded rate is near the state average of 21.0%. That's 5.9 points above the Knightsen Elementary district average of 16.3%. The 2 nearby schools within ~3 miles average 28.9% exceeded — 6.8 points higher. The gap between "met" and "exceeded" is the difference between a school that clears the bar and one that raises it.

Proficiency drops by 19.2 percentage points from grade 3 to grade 5 — a signal that the school may not be sustaining early gains.

Chronic absenteeism is 14.0%, better than the state average of 18.7%.

Key metrics

% Exceeded Standard

22.1%

Students scoring above proficient

% Met or Above

53.2%

Students meeting standard

Growth (G3→G5)

-19.2pp

Change in proficiency rate

Chronic Absenteeism

14.0%

Students missing 10%+ of days

Suspension Rate

2.0%

Students suspended at least once

Total Tested

814

Across all grades & subjects

ELA scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
3rd	54	29.6%	22.2%	29.6%	18.5%	51.9%
4th	32	34.4%	31.3%	6.3%	28.1%	65.6%
5th	30	13.3%	30.0%	13.3%	43.3%	43.3%
6th	32	12.5%	34.4%	31.3%	21.9%	46.9%
7th	28	25.0%	53.6%	14.3%	7.1%	78.6%
8th	28	3.6%	46.4%	39.3%	10.7%	50.0%

Math scores by grade

Grade	Tested	Exceeded	Met	Nearly Met	Not Met	Met+Above
3rd	54	18.5%	38.9%	25.9%	16.7%	57.4%
4th	32	28.1%	31.3%	25.0%	15.6%	59.4%
5th	29	17.2%	10.3%	44.8%	27.6%	27.6%
6th	32	21.9%	21.9%	37.5%	18.8%	43.8%
7th	28	39.3%	28.6%	17.9%	14.3%	67.9%
8th	28	21.4%	25.0%	25.0%	28.6%	46.4%

Nearby schools

2 schools within ~3 miles · avg composite 50.9

Discovery Bay Elementary

Byron Union Elementary · 2.7 mi

54.3

Timber Point Elementary

Byron Union Elementary · 1.9 mi

47.5

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