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SCHOOL COMMUNITY·LUCIA MAR UNIFIED·NCES 062308003517

Branch Elementary

970 School Rd., Arroyo Grande, CA 93420 · (805) 474-3720 · San Luis Obispo County
GRADES KG–06ELEMENTARY41-RURALREGULAR SCHOOL261 STUDENTS
Enrollment
261
Elementary
DISTRICT 435 · STATE 465
Student : Teacher
20.4:1
13 FTE teachers
DISTRICT 20.0:1 · STATE 22.3:1
Free / Reduced Lunch
35%
92 students
DISTRICT 61% · 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
58
Grade 1
33
Grade 2
35
Grade 3
34
Grade 4
35
Grade 5
37
Grade 6
29
Student demographics
White
15559%
DISTRICT 40% · STATE 20%
Hispanic
7428%
DISTRICT 51% · STATE 56%
Black
10%
DISTRICT 0% · STATE 5%
Asian
10%
DISTRICT 2% · STATE 12%
Two+
3011%
DISTRICT 6% · STATE 6%
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
13251%
Female
12949%

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
78.1%
CA avg 47.1% . +15.1pp since 2014
Math
66.7%
CA avg 35.6% . +8.7pp since 2014
Source: CAASPP. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
71.8%
composite math + reading, all grades
Predicted
58.5%
based on CA schools with similar FRL share
Beats by
+13.3pp
above 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
261
-60 (-19%) vs 2017
Student : Teacher
20.4:1
was 22.9:1
% White
59%
was 74%
% Hispanic
28%
was 19%
% Black
0%
was 1%
% Asian
0%
was 2%
Source: NCES Common Core of Data

About Branch Elementary

Set in Arroyo Grande, California, Branch Elementary is a low-enrollment elementary-level community, operated by Lucia Mar Unified. It teaches 261 students across grades K through 6. That puts it 44% below the typical public school in California, which averages around 465 students.

Within Lucia Mar Unified, which oversees 19 schools and 9,590 students, Branch Elementary is one campus in the system.

On demographics, Branch Elementary records that the largest single group is White, at 59% of enrollment. Beyond that, the school logs 28% Hispanic, 11% multiracial. By comparison, San Luis Obispo County as a whole is about 69% White, so the school skews noticeably less White than its surroundings.

On the resource side, Staff filings list 13 full-time-equivalent teachers, which works out to roughly 20.4:1 students per teacher. The state averages around 22.3:1, so this campus is tighter than the state norm typical. About 35% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. Set against San Luis Obispo County (around 54%), the school's rate is somewhat below typical.

On a demographically-adjusted basis, Branch Elementary sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 58.5%; this one delivers 71.8%.

In the surrounding community, ACS estimates for San Luis Obispo County put median household income runs about $97,446, roughly 40% of adults have completed at least a four-year degree, and roughly 6% of residents live below the federal poverty line. In all, San Luis Obispo County runs 83 public schools (combined enrollment of about 33,339 students), of which Branch Elementary is one.

The closest other public school is Paulding Middle, roughly 2.7 miles away. Within five miles, there are 5 other public schools. On composite proficiency, Branch Elementary comes 2nd of 9 in the immediate cluster, higher than the nearby-schools average of 46.5%.

Branch Elementary operates from an outlying location.

Over the past 7-year window. Over the past 7-year window, the student count shrank 19%: 321 students in 2018 compared to 261 in 2025. White enrollment moved from 74% to 59% across the same window. Class-load math has fell: from 22.9:1 in 2018 to 20.4:1 in 2025.

On this page, members of the Branch Elementary community share and discuss pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.

San Luis Obispo County at a glance

View full county profile
Population
281,555
Census ACS
Median income
$97,446
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
6%
Below federal line
Schools in county
83
33,339 students

Quick facts

School name
Branch Elementary
District
Lucia Mar Unified
Address
970 School Rd., Arroyo Grande, CA 93420
Phone
(805) 474-3720
County
San Luis Obispo County
Level
Elementary
Grade range
KG–06
Total enrollment
261
Teachers (FTE)
13
Student–teacher ratio
20.4:1
Free/Reduced lunch
92 (35%)
Locale
41-Rural: Fringe
NCES ID
062308003517
Charter school
No
Virtual school
No

Related schools

Other schools in Lucia Mar Unified
Other schools in Arroyo Grande
Nearby schools

Frequently asked questions

About Branch Elementary
How many students attend Branch Elementary?
Branch Elementary enrolls approximately 261 students in grades KG-06.
What grades does Branch Elementary serve?
Branch Elementary serves grades KG-06.
What is the student-teacher ratio at Branch Elementary?
The student-to-teacher ratio at Branch Elementary is approximately 20.4:1 (13 FTE teachers).
What is the racial breakdown of students at Branch Elementary?
At Branch Elementary, the student body is approximately 59% White, 28% Hispanic, 0% Black, 0% Asian, 11% Two or more.
Who oversees Branch Elementary?
Branch Elementary is overseen by Lucia Mar Unified in San Luis Obispo County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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