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SCHOOL COMMUNITY·ALHAMBRA UNIFIED·NCES 060015310945

William Northrup Elementary

409 South Atlantic Blvd., Alhambra, CA 91801 · (626) 943-6620 · Los Angeles County
GRADES KG–08ELEMENTARY21-SUBURBTITLE IREGULAR SCHOOL814 STUDENTS
Enrollment
814
Elementary
DISTRICT 656 · STATE 465
Student : Teacher
22.0:1
37 FTE teachers
DISTRICT 22.2:1 · STATE 22.3:1
Free / Reduced Lunch
47%
380 students
DISTRICT 48% · STATE 65%
Community
3
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
130
Grade 1
83
Grade 2
89
Grade 3
98
Grade 4
86
Grade 5
86
Grade 6
97
Grade 7
84
Grade 8
61
Student demographics
White
101%
DISTRICT 2% · STATE 20%
Hispanic
26432%
DISTRICT 42% · STATE 56%
Black
40%
DISTRICT 1% · STATE 5%
Asian
48760%
DISTRICT 50% · STATE 12%
Two+
486%
DISTRICT 6% · STATE 6%
Native American
10%
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
40049%
Female
41451%

Discussions

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Test scores

CAASPP 2023-24 . % met or exceeded standard
English Language Arts
57.1%
CA avg 47.1% . +10.1pp since 2014
Math
53.0%
CA avg 35.6% . +12.0pp since 2014

What this means: On the CAASPP, California's statewide test, about 57 of every 100 students at this school read and write at grade level and about 53 of 100 do math at grade level. Across all California schools, those numbers are about 47 and 36. Reading and writing scores are up about 10 points since 2014, while math scores are up about 12 points.

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
53.5%
composite math + reading, all grades
Predicted
51.7%
based on CA schools with similar FRL share
Beats by
+1.8pp
above demographic expectation

What this means: About 54% of students here test proficient in math and reading, compared with the roughly 52% typical for California schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among California's top nor bottom 10%.

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
814
+196 (+32%) vs 2017
Student : Teacher
22.0:1
was 23.7:1
% White
1%
was 2%
% Hispanic
32%
was 54%
% Black
0%
was 1%
% Asian
60%
was 41%
Source: NCES Common Core of Data

About William Northrup Elementary

Located at 409 South Atlantic Blvd., in Alhambra, California, William Northrup Elementary is a heavily attended primary school that teaches 814 students (grades K through 8), run under Alhambra Unified. Enrollment runs roughly 75% above the state mean of about 465.

Alhambra Unified comprises 16 schools with combined enrollment of 14,548 students; William Northrup Elementary is among them.

In terms of who attends, William Northrup Elementary reports that the largest single group is Asian, at 60% of enrollment. Beyond that, the school lists 32% Hispanic, 6% multiracial. The wider county runs roughly 15% Asian, putting the school's mix noticeably more Asian than the area baseline.

On the resource side, The school employs 37 full-time-equivalent teachers, for a student-teacher ratio near 22.0:1. That tracks the state average closely. An estimated 47% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Los Angeles County runs at roughly 70%, so the school's eligibility rate is lower than the surrounding baseline.

Adjusting for the school's free-and-reduced-lunch share, William Northrup Elementary performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 51.7%, the actual is 53.5%, a residual of +1.8 points.

Around the school, the surrounding county (Los Angeles County) reports that the typical household earns roughly $90,112 per year, roughly 36% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Across Los Angeles County's 2244 public schools (combined enrollment of about 1,265,907 students), William Northrup Elementary is one campus in the mix.

Alhambra High is the nearest neighboring public school, about 0.6 miles from this campus. Within five miles, there are 8 other public schools. Ranking that nearby cluster on reported proficiency puts William Northrup Elementary at 3rd of 9; the average score across the group is 50.4%.

William Northrup Elementary operates from a commuter-belt location.

Trend over the last 7 years. Over the past 7-year window, the student count grew 32%: 618 students in 2018 compared to 814 in 2025. Over the same period, the Hispanic share fell from 54% to 32%. Class-load math has narrowed: from 23.7:1 in 2018 to 22.0:1 in 2025.

On allk12, the page collects discussion, questions, and updates around sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.

Los Angeles County at a glance

View full county profile
Population
9,808,667
Census ACS
Median income
$90,112
Household, ACS
Bachelor's+
36%
Adults 25+
Poverty rate
10%
Below federal line
Schools in county
2,244
1,265,907 students

Quick facts

School name
William Northrup Elementary
District
Alhambra Unified
Address
409 South Atlantic Blvd., Alhambra, CA 91801
Phone
(626) 943-6620
County
Los Angeles County
Level
Elementary
Grade range
KG–08
Total enrollment
814
Teachers (FTE)
37
Student–teacher ratio
22.0:1
Free/Reduced lunch
380 (47%)
Locale
21-Suburb: Large
NCES ID
060015310945
Charter school
No
Virtual school
No

Related schools

Other schools in Alhambra Unified
Other schools in Alhambra
Nearby schools

Frequently asked questions

About William Northrup Elementary
How many students attend William Northrup Elementary?
William Northrup Elementary enrolls approximately 814 students in grades KG-08.
What grades does William Northrup Elementary serve?
William Northrup Elementary serves grades KG-08.
How many teachers does William Northrup Elementary have?
William Northrup Elementary employs 37 FTE teachers, for a student-to-teacher ratio of 22.0:1.
What is the student diversity at William Northrup Elementary?
Student demographics at William Northrup Elementary are roughly 1% White, 32% Hispanic, 0% Black, 60% Asian, 6% Two or more.
Who oversees William Northrup Elementary?
William Northrup Elementary is overseen by Alhambra Unified in Los Angeles County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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