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SCHOOL COMMUNITY·OLD ADOBE UNION·NCES 062832004384

La Tercera Elementary

1600 Albin Way, Petaluma, CA 94954 · (707) 765-4303 · Sonoma County
GRADES KG–06ELEMENTARY13-CITYREGULAR SCHOOL295 STUDENTS
Enrollment
295
Elementary
DISTRICT 347 · STATE 465
Student : Teacher
23.6:1
13 FTE teachers
DISTRICT 23.8:1 · STATE 22.3:1
Free / Reduced Lunch
37%
110 students
DISTRICT 40% · STATE 65%
Community
0
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
52
Grade 1
28
Grade 2
48
Grade 3
31
Grade 4
38
Grade 5
54
Grade 6
44
Student demographics
White
15753%
DISTRICT 46% · STATE 20%
Hispanic
10736%
DISTRICT 43% · STATE 56%
Black
83%
DISTRICT 1% · STATE 5%
Asian
72%
DISTRICT 3% · STATE 12%
Two+
124%
DISTRICT 6% · STATE 6%
Native American
21%
DISTRICT 0% · STATE 0%
Pacific Islander
21%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
16054%
Female
13546%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
40.1%
CA avg 47.1% . +9.1pp since 2014
Math
32.2%
CA avg 35.6% . +19.2pp since 2014
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
UNDERPERFORMING
Bottom 10% of CA schools after controlling for student poverty
Actual proficiency
36.0%
composite math + reading, all grades
Predicted
57.3%
based on CA schools with similar FRL share
Beats by
-21.3pp
below demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
295
-51 (-15%) vs 2017
Student : Teacher
23.6:1
was 24.4:1
% White
53%
was 45%
% Hispanic
36%
was 41%
% Black
3%
was 1%
% Asian
2%
was 8%
Source: NCES Common Core of Data

About La Tercera Elementary

La Tercera Elementary operates as a modestly sized primary school in Petaluma, California, one of the schools within Old Adobe Union. Current enrollment sits at 295 students spanning grades K through 6. Compared to the state average of about 465 students per school, that is 37% leaner than typical.

Old Adobe Union comprises 5 schools with combined enrollment of 1,734 students; La Tercera Elementary is among them.

On demographics, La Tercera Elementary lists that the most-represented group is White (53%), with the rest of the student body spread across multiple groups; the rest reads as 36% Hispanic, 4% multiracial, 3% Black, 2% Asian. That is meaningfully less White than the county at large, where the share is closer to 62%.

Looking at the economic backdrop, La Tercera Elementary records 13 full-time-equivalent teachers, putting the student-to-teacher ratio at about 23.6:1. Statewide, the average ratio sits near 22.3:1, putting La Tercera Elementary higher than the state norm the norm. An estimated 37% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. By comparison, Sonoma County runs at roughly 51%, so the school's eligibility rate is meaningfully below the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, La Tercera Elementary falls in the UNDERPERFORMING tier of the BeatsExpectations residual. Given its student profile, a typical campus would land near 57.3%; this one comes in at 36.0%, -21.3 points off the demographic line.

Around the school, Sonoma County reports that median household income runs about $104,674, 39% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. Across Sonoma County's 184 public schools (combined enrollment of about 63,389 students), La Tercera Elementary is one campus in the mix.

Casa Grande High is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools. On composite proficiency, La Tercera Elementary comes 2nd of 5 in the immediate cluster, higher than the nearby-schools average of 29.4%.

The campus sits in a high-density setting.

Trend over the last 7 years. La Tercera Elementary's enrollment has edged down 15% since 2018, when it stood at 346 (now 295). The White share of enrollment edged up from 45% to 53% over that span.

In the discussion threads here, the feed for La Tercera Elementary typically covers sports schedules, lunch menu changes, and school spirit week. Contributors range from current parents to recent graduates and teachers.

Sonoma County at a glance

View full county profile
Population
485,040
Census ACS
Median income
$104,674
Household, ACS
Bachelor's+
39%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
184
63,389 students

Quick facts

School name
La Tercera Elementary
District
Old Adobe Union
Address
1600 Albin Way, Petaluma, CA 94954
Phone
(707) 765-4303
County
Sonoma County
Level
Elementary
Grade range
KG–06
Total enrollment
295
Teachers (FTE)
13
Student–teacher ratio
23.6:1
Free/Reduced lunch
110 (37%)
Locale
13-City: Small
NCES ID
062832004384
Charter school
No
Virtual school
No

Related schools

Other schools in Old Adobe Union
Other schools in Petaluma
Nearby schools

Frequently asked questions

About La Tercera Elementary
How large is La Tercera Elementary?
La Tercera Elementary enrolls approximately 295 students in grades KG-06.
What age range does La Tercera Elementary serve?
La Tercera Elementary serves students from grade KG through grade 06.
What is the student-teacher ratio at La Tercera Elementary?
The student-to-teacher ratio at La Tercera Elementary is approximately 23.6:1 (13 FTE teachers).
What is the student diversity at La Tercera Elementary?
Student demographics at La Tercera Elementary are roughly 53% White, 36% Hispanic, 3% Black, 2% Asian, 4% Two or more.
What district is La Tercera Elementary in?
La Tercera Elementary is part of Old Adobe Union.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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