Community prompt from u/allk12. Replies below.
Arnold O. Beckman High
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- C+Three-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded California public high schools
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 706 | 25% |
| Grade 10 | 689 | 25% |
| Grade 11 | 709 | 26% |
| Grade 12 | 672 | 24% |
Test scores
CAASPP 2024-25 . % met or exceeded standardWhat this means: On the CAASPP, California's statewide test, about 83 of every 100 students at this school read and write at grade level and about 61 of 100 do math at grade level. Across all California schools, those numbers are about 49 and 38. Reading and writing scores are down about 1 points since 2014, while math scores are down about 3 points.
Performance levels, 2024-25
| Subject | Standard Exceeded | Standard Met | Standard Nearly Met | Standard Not Met |
|---|---|---|---|---|
| English Language Arts | 57.7% | 24.9% | 10.0% | 7.4% |
| Math | 40.4% | 20.9% | 17.1% | 21.6% |
CAASPP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 82.6% | 61.3% |
| 2023-24 | 85.9% | 61.1% |
| 2022-23 | 79.1% | 57.6% |
| 2021-22 | 81.7% | 60.0% |
| 2020-21 | 78.7% | 66.2% |
| 2018-19 | 75.2% | 62.4% |
| 2017-18 | 80.1% | 64.3% |
| 2016-17 | 84.4% | 68.0% |
| 2015-16 | 84.0% | 67.0% |
| 2014-15 | 84.0% | 64.0% |
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 73% of students here test proficient in math and reading, well above the roughly 53% typical for California schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 19 points, placing it in California's top 10%.
Schools most like Arnold O. Beckman High
Arnold O. Beckman High's state test result (72.7% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Arnold O. Beckman High this school | 2,776 | 44.5% | 72.7% |
| Sunny Hills High Fullerton | 2,337 | 48.5% | 70.2% |
| Lowell High San Francisco | 2,571 | 42.5% | 77.3% |
| Castro Valley High Castro Valley | 2,874 | 40.0% | 58.2% |
| Troy High Fullerton | 2,504 | 39.7% | 81.2% |
| Washington (George) High San Francisco | 2,068 | 51.8% | 64.6% |
Where Arnold O. Beckman High ranks
Among high schools| Measure | This school | In California | In Orange County |
|---|---|---|---|
| State test proficiency ranked highest first | 72.7% | #65 of 1,052 | #7 of 68 |
| Math proficiency ranked highest first | 61.3% | #83 of 1,056 ▼ 13 | #12 of 69 ▼ 2 |
| Reading proficiency ranked highest first | 82.6% | #70 of 1,056 ▼ 23 | #5 of 69 ▼ 1 |
| 3-year test score change ranked biggest gain first | +1.1pp | #588 of 1,044 | #35 of 68 |
| Enrollment ranked largest first | 2,776 | #47 of 2,093 | #3 of 105 |
| Students per teacher ranked fewest first | 26.4:1 | #1,292 of 1,352 | #82 of 85 |
| Diversity index ranked most diverse first | 68.5% | #165 of 1,351 | #12 of 85 |
| Free and reduced lunch ranked highest share first | 44.5% | #1,231 of 1,575 | #67 of 95 |
| Enrollment change since 2017-18 ranked steepest decline first | -7.1% | #557 of 802 | #60 of 71 |
4-year change
SY 2020-21 vs SY 2024-25Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 2,776 | 105.2 | 26.4:1 | 44% (1,235) |
| 2023-24 | 2,713 | 103.4 | 26.2:1 | 37% (1,002) |
| 2022-23 | 2,798 | 105.4 | 26.6:1 | 24% (660) |
| 2020-21 | 2,938 | 107 | 27.5:1 | 22% (644) |
| 2017-18 | 2,987 | 109.8 | 27.2:1 | 25% (735) |
| 2015-16 | 2,847 | 103 | 27.6:1 | 24% (670) |
| 2010-11 | 2,369 | N/A | N/A | 24% (562) |
Since 2017-18: students down 7% (2,987 to 2,776); teachers down 4% (109.8 to 105.2).
About Arnold O. Beckman High
Arnold O. Beckman High is a high-enrollment high school. Its address is in Irvine, California. It reported 2,776 students in grades 9 through 12 in 2024-25. High schools in California have about 838 students on average; enrollment here is 231% higher.
Tustin Unified, which runs Arnold O. Beckman High, has 28 schools and 21,220 students.
The biggest share of students at Arnold O. Beckman High, 45%, is Asian. The rest of enrollment is 28% Hispanic, 18% White, 6% multiracial, and 3% Black. Census estimates put the Asian share of Orange County's population at about 22%. The diversity index for Arnold O. Beckman High is 68%. For US public schools as a whole it is 70%.
The student-to-teacher ratio at Arnold O. Beckman High is 26.4:1, based on 105.2 full-time-equivalent teachers. Statewide, high schools in California average 18.2:1. Lunch program data show 44% of students are eligible for free or reduced-price meals. Public schools in Orange County average 55%.
Among California public high schools, Arnold O. Beckman High outscored 96%, which works out to an A+ on the allk12 Grade.
Arnold O. Beckman High beats its predicted average proficiency rate across its state test results by 19.3 points (72.7% versus 53.5%), a top-10% result in California on BeatsExpectations.
The county, Orange County, is where the school is located. Median household income comes to about $116,289, roughly 44% of adults have a four-year degree or more, and the share of residents below the poverty line is 7%. Orange County has 649 public schools with about 430,458 students, including Arnold O. Beckman High.
Brywood Elementary is about 0.7 miles from Arnold O. Beckman High, the shortest distance to any other public school. Counting only straight-line distance, at least 8 other public schools are within five miles. Arnold O. Beckman High places 4th of 7 on proficiency among the closest schools that report scores.
The school is inside a principal city with a population of 250,000 or more, according to its NCES locale (City: Large).
The school's student count decreased 6% between the 2020-21 and 2024-25 school years. By 2024-25, the school had 26.4 students per teacher, compared with 27.5 in 2020-21.
The discussion board for Arnold O. Beckman High is open to topics like special education services, counseling, and support programs. Teachers and staff are welcome to share updates too.
Orange County at a glance
View full county profileQuick facts
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