Arnold O. Beckman High School is a public school in Irvine, California, United States, serving 3,013 students from grades 9 through 12. The $94 million facility was opened on August 30, 2004. The World Languages Building - a new, $17 million, two-story, 30,000-square-foot facility - was unveiled on September 1, 2015.
Serving 2,776 students in grades 9-12, Arnold O. Beckman High School ranks in the top 10% of all schools in California for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 57% (which is higher than the California state average of 34%). The percentage of students achieving proficiency in reading/language arts is 80% (which is higher than the California state average of 47%).
The student-teacher ratio of 26:1 is higher than the California state level of 21:1.
Minority enrollment is 82% of the student body (majority Asian), which is higher than the California state average of 80% (majority Hispanic).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,776 students
- Student-Teacher Ratio: 26:1
- Minority Enrollment: 82%
- Graduation Rate: 96% (Top 10% in CA)
- Overall Testing Rank: Top 10%
- Math Proficiency: 57% (Top 20%)
- Reading Proficiency: 80% (Top 5%)
- Science Proficiency: 48% (Top 20%)
- Source: National Center for Education Statistics (NCES), CA Dept. of Education
Top Rankings
Arnold O. Beckman High School ranks among the top 20% of public schools in California for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
Diversity
School Overview
Arnold O. Beckman High School's student population of 2,776 students has declined by 5% over five school years.
The teacher population of 105 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
Total Students
2,776 students
Total Classroom Teachers
105 teachers
Year Founded
2004
School Rankings
Arnold O. Beckman High School 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 Arnold O. Beckman High School is 0.69, 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.
Overall Testing Rank
#898 out of 9523 schools
(Top 10%)
(Top 10%)
Math Test Scores (% Proficient)
57%
34%
Reading/Language Arts Test Scores (% Proficient)
80%
47%
Science Test Scores (% Proficient)
48%
29%
Student-Teacher Ratio
26:1
21:1
American Indian
n/a
1%
Asian
45%
12%
Hispanic
28%
56%
Black
3%
5%
White
18%
20%
Hawaiian
n/a
n/a
Two or more races
6%
6%
All Ethnic Groups
Graduation Rate
96%
87%
Eligible for Free Lunch
33%
54%
Eligible for Reduced Lunch
11%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CA Dept. of Education
School Notes
- School Mascot: Patrick The Patriot
Frequently Asked Questions
What is Arnold O. Beckman High School's ranking?
Arnold O. Beckman High School is ranked #898 out of 9,523 schools, which ranks it among the top 10% of public schools in California.
What schools are Arnold O. Beckman High School often compared to?
Arnold O. Beckman High Schoolis often viewed alongside schools like Foothill High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
57% of students have achieved math proficiency (compared to the 34% CA state average), while 80% of students have achieved reading proficiency (compared to the 47% CA state average).
What is the graduation rate of Arnold O. Beckman High School?
The graduation rate of Arnold O. Beckman High School is 96%, which is higher than the California state average of 87%.
How many students attend Arnold O. Beckman High School?
2,776 students attend Arnold O. Beckman High School.
What is the racial composition of the student body?
45% of Arnold O. Beckman High School students are Asian, 28% of students are Hispanic, 18% of students are White, 6% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Arnold O. Beckman High School?
Arnold O. Beckman High School has a student ration of 26:1, which is higher than the California state average of 21:1.
What grades does Arnold O. Beckman High School offer ?
Arnold O. Beckman High School offers enrollment in grades 9-12
What school district is Arnold O. Beckman High School part of?
Arnold O. Beckman High School is part of Tustin Unified School District.
In what neighborhood is Arnold O. Beckman High School located?
Arnold O. Beckman High School is located in the Lower Peters Canyon neighborhood of Tustin, CA. There are 2 other public schools located in Lower Peters Canyon.
School Calendar
View the Arnold O. Beckman High School yearly calendar below. Note key dates such as:
Event
Date
FIRST DAY OF SCHOOL
August 13, 2026 (Thursday)
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