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Castlebay Lane Charter

19010 Castlebay Ln.
Porter Ranch, CA 91326
(School attendance zone shown in map)
10/
10
Top 10%
Serving 666 students in grades Kindergarten-5, Castlebay Lane Charter ranks in the top 10% of all schools in California for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 72% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 78% (which is higher than the California state average of 47%).
The student-teacher ratio of 24:1 is higher than the California state level of 21:1.
Minority enrollment is 60% of the student body (majority Asian and Hispanic), which is lower than the California state average of 80% (majority Hispanic).

Quick Facts (2026)

  • School Type: Charter School
  • Grades: Kindergarten-5
  • Enrollment: 666 students
  • Student-Teacher Ratio: 24:1
  • Minority Enrollment: 60%
  • : Top 10% in CA
  • : 72% (Top 10%)
  • : 78% (Top 10%)
  • : 60-64% (Top 10%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

Top Rankings

Castlebay Lane Charter ranks among the top 20% of public schools in California for:

School Overview

Castlebay Lane Charter's student population of 666 students has stayed relatively flat over five school years.
The teacher population of 28 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades Kindergarten-5
Total Students
666 students
Total Classroom Teachers
28 teachers
School Motto
Knights Always Do The Right Thing!

School Rankings

Castlebay Lane Charter ranks within the top 10% of all 9,523 schools in California (based off of combined math and reading proficiency testing data).
The diversity score of Castlebay Lane Charter is 0.74, which is more than the diversity score at state average of 0.63. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CA)
#519 out of 9523 schools
(Top 10%)
72%
34%
78%
47%
60-64%
29%
Student-Teacher Ratio
24:1
21:1
American Indian
n/a
1%
Asian
21%
12%
Hispanic
18%
56%
Black
3%
5%
White
40%
20%
Hawaiian
n/a
n/a
Two or more races
18%
6%
All Ethnic Groups
0.74
Eligible for Free Lunch
26%
54%
Eligible for Reduced Lunch
1%
8%
School Statewide Testing
Source: National Center for Education Statistics (NCES), CA Dept. of Education

Frequently Asked Questions

What is Castlebay Lane Charter's ranking?
Castlebay Lane Charter is ranked #519 out of 9,523 schools, which ranks it among the top 10% of public schools in California.
What schools are Castlebay Lane Charter often compared to?
Castlebay Lane Charteris often viewed alongside schools like Beckford Charter For Enriched Studies, Porter Ranch Community by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
72% of students have achieved math proficiency (compared to the 34% CA state average), while 78% of students have achieved reading proficiency (compared to the 47% CA state average).
How many students attend Castlebay Lane Charter?
666 students attend Castlebay Lane Charter.
What is the racial composition of the student body?
40% of Castlebay Lane Charter students are White, 21% of students are Asian, 18% of students are Hispanic, 18% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Castlebay Lane Charter?
Castlebay Lane Charter has a student ration of 24:1, which is higher than the California state average of 21:1.
What grades does Castlebay Lane Charter offer ?
Castlebay Lane Charter offers enrollment in grades Kindergarten-5
What school district is Castlebay Lane Charter part of?
Castlebay Lane Charter is part of Los Angeles Unified School District.

School Reviews

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Quick Facts (2026)

  • School Type: Charter School
  • Grades: Kindergarten-5
  • Enrollment: 666 students
  • Student-Teacher Ratio: 24:1
  • Minority Enrollment: 60%
  • : Top 10%
  • : 72% (Top 10%)
  • : 78% (Top 10%)
  • : 60-64% (Top 10%)
  • Source: National Center for Education Statistics (NCES), CA Dept. of Education

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