Public school · Byron Union Elementary · Discovery Bay, California
Byron Institute for Independent Study
Discovery Bay · K–8 · 26 students (2024–25)
Byron Institute for Independent Study is a public school for grades K–8. We don't have a 2026 Scope Score for it.
Shared campus · © OpenStreetMap
Byron Institute for Independent Study and Timber Point Elementary share this address in the state’s school directory. OpenStreetMap maps the grounds as one campus. Which buildings each school uses here isn’t mapped.
Drawn from OpenStreetMap. Volunteers map it, so a new building may be missing. Buildings with no mapped height are drawn one storey high.
A picture of the campus, not an attendance boundary or a rating.
Schools maintain a closed campus policy. For students’ safety, visitors may enter a campus only with the school’s official permission; this drawing implies no permission to enter.
Common questions
How do I get in?
Byron Institute for Independent Study runs through 8th grade, so there’s no middle-school move. Ask Byron Union Elementary which school serves your address. Evidence ↓
How often do students miss school or get suspended?
17 in 100 students were chronically absent in 2025–26 (5 of 29), meaning they missed 10% or more of school days. 0 of 33 students were suspended at least once in 2025–26. Evidence ↓
How do I visit Byron Institute for Independent Study?
Call the office at (925) 809-7550 to ask about a visit. Questions to bring are under Next steps. Evidence ↓
What you can do
Who can act on Byron Institute for Independent Study’s results?
Byron Union Elementary’s board decides Byron Institute for Independent Study’s plan.
The state hasn’t placed Byron Institute for Independent Study in a support program. Federal designation under the Every Student Succeeds Act, 2025–26. Source
What has the state flagged?
The state is giving Byron Union Elementary extra help in 2026. It qualified on the 2025 California School Dashboard. The county office must help the district for at least three years, including a review of its yearly plan.
Extra help for Byron Union Elementary: CDE’s assistance status file for the 2025 California School Dashboard. Source
When is the plan set, and how can you take part?
Byron Union Elementary’s board must adopt its yearly plan (LCAP) by July 1, after at least one public hearing at an earlier meeting.
How to take part
- Watch the board’s agenda: the hearing is posted at least 72 hours ahead.
- Send written comments on the actions and spending the plan proposes.
- Raise questions through the district’s parent advisory committee; the superintendent must answer its comments in writing.
- Read the midyear report, due by February 28.
- Read Byron Union Elementary’s 2026–27 plan (LCAP, PDF)
Reading screening in kindergarten through grade 2What the law requires, and what to ask
California law requires schools to screen kindergartners through second graders for reading difficulties every year, with some exceptions. You get notice at least 15 days before, results within 45 days, and can opt out in writing.
Kindergartners can’t be screened before the 91st school day; transitional kindergarten isn’t covered.
If screening shows your child may be at risk for reading difficulties, the school must provide supports. That result isn’t a diagnosis, and screening can’t be used to delay a special-education evaluation.
Ask how many K–2 students screening found at risk last year, and how many got extra reading help.
California Education Code § 53008. Source
Life at school
How often do students miss school or get suspended?
17 in 100 students were chronically absent in 2025–26.
State attendance and suspension records, 2025–26
That means they missed 10% or more of school days. 0 of 33 students were suspended at least once in 2025–26.
Source
- Source
- CDE chronic absenteeism and suspension files, 2025–26
- Students
- chronic absence: 5 of 29 students counted for it; suspension: 0 of 33 students enrolled during the year
Chronically absent, 2025–26
5 of 29 students were chronically absent, meaning they missed 10% or more of school days.
Suspensions, 2025–26
0 of 33
students were suspended at least once.
Ask: When a child starts missing school, who calls the family, and how soon?
Chronic absence by grade2025–26 · per 100 students, with counts
- Grades K–3: not in the records we hold
- Grades 4–6: 13 in 100, 2 of 15
- Grades 7–8: 17 in 100, 2 of 12
Ask families and staff yourselfWhat to ask the people at Byron Institute for Independent Study
Ask current families how the school keeps them informed, and what happened when their child needed help. Ask staff how long teachers tend to stay.
Teach here? Tell us Byron Union Elementary’s email domain so staff can answer our workplace questions.
Every learner
Who goes here?
White students are the largest group here: 41%.
Students, families and teachers
Who are the students?
2025–26 · students counted- White41%
- Hispanic or Latino—
- Asian—
- Black or African American—
- Filipino—
- Two or more races—
- American Indian or Alaska Native—
- Pacific Islander—
- Not reported—
- Unallocated share59%
Who are the families and teachers?
42%of students qualified for free or reduced-price meals in 2024–25, 11 of 26. California: 63%.
1teachers, 2024–25
37 yearsaverage experience, 2024–25
0%in their first year, 2024–25
56%of teaching positions with proper credential and placement, 2021–22
Ask: Which student groups does the school track most closely, and what does it do when one falls behind?
Full student mix, comparisons and sources, 2025–26
| Students, 2025–26 | Here |
|---|---|
| White | 41% |
| Hispanic or Latino | — |
| Asian | — |
| Black or African American | — |
| Filipino | — |
| Two or more races | — |
| American Indian or Alaska Native | — |
| Pacific Islander | — |
| Not reported | — |
Data source: California Department of Education chronic-absence file, 2025–26. Shares are of the students the file counts for attendance (CDE’s “eligible enrollment”); unavailable categories are shown as a dash.
How the credential rate is counted
CDE SARC report 2024–25, measured 2021–22: 56% of teaching positions, 0.5 properly credentialed teaching-position FTE out of 1 total position FTE (FTEs as rounded by the source; the share is CDE’s own). This measures positions, not individual teachers.
Next steps
How do I get in?
Byron Institute for Independent Study runs through 8th grade, so there’s no middle-school move. Ask Byron Union Elementary which school serves your address.
Location and visiting
Get directions (opens Google Maps in a new tab)Directory location · Explore nearby schools on the map. Confirm which school serves your address with Byron Union Elementary.
Questions for your visit
- When a child starts missing school, who calls the family, and how soon?
- Which student groups does the school track most closely, and what does it do when one falls behind?
- Which math courses can students take, and how are placements decided?
- Which electives and high-school transition supports are available?
Office (925) 809-755040 Newbury Lane, directions (opens Google Maps in a new tab)
Source records
Every figure on this page, with its source, grades, year and count.
CDE assessment recordsCDE CAASPP 2026 · every level, as published · raw grade–subject rows
What each level means: California's level descriptions.
All Grades is an aggregate, not another group of students. Same-year grade groups are not matched children. A grade the school doesn't teach has no row. “Suppressed” marks a result CDE blanks because fewer than 11 students tested (CDE’s reporting rule); “none tested” marks a grade CDE lists with no students tested; “not on file” marks a result missing from the records we hold. None of them means zero.
| Grade · subject | Students tested with scores | Proficient or Advanced | Advanced | Proficient | Developing level | Minimal | Mean scale score |
|---|---|---|---|---|---|---|---|
| Grade 4 · ELA · 2026 | not on file | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 5 · ELA · 2026 | not on file | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 6 · ELA · 2026 | 9 | suppressed | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 7 · ELA · 2026 | 4 | suppressed | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 8 · ELA · 2026 | 6 | suppressed | suppressed | suppressed | suppressed | suppressed | suppressed |
| All Grades · ELA · 2026 | 22 | 27.27% | 0% | 27.27% | 22.73% | 50% | not on file |
| Grade 4 · Math · 2026 | not on file | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 5 · Math · 2026 | not on file | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 6 · Math · 2026 | 9 | suppressed | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 7 · Math · 2026 | 4 | suppressed | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 8 · Math · 2026 | 6 | suppressed | suppressed | suppressed | suppressed | suppressed | suppressed |
| All Grades · Math · 2026 | 22 | 31.82% | 22.73% | 9.09% | 27.27% | 40.91% | not on file |
CDE CAASPP 2026: 10 individual grade–subject records; 6 records with a positive known tested count.
4 grade–subject counts unavailable; 10 grade–subject attainment rates unavailable.
Results by gradeEnglish and math · grades 4–8 · spring 2026 · % of tested students
English · 2025–26 results by grade
| English | Tested | Advanced | Proficient | Developing level | Minimal | Proficient or Advanced |
|---|---|---|---|---|---|---|
| Grade 4 | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 5 | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 6 | 9 | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 7 | 4 | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 8 | 6 | suppressed | suppressed | suppressed | suppressed | suppressed |
Math · 2025–26 results by grade
| Math | Tested | Advanced | Proficient | Developing level | Minimal | Proficient or Advanced |
|---|---|---|---|---|---|---|
| Grade 4 | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 5 | not on file | not on file | not on file | not on file | not on file | not on file |
| Grade 6 | 9 | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 7 | 4 | suppressed | suppressed | suppressed | suppressed | suppressed |
| Grade 8 | 6 | suppressed | suppressed | suppressed | suppressed | suppressed |
A grade the school doesn't teach has no row. “Suppressed” marks a result CDE blanks because fewer than 11 students tested (CDE’s reporting rule); “none tested” marks a grade CDE lists with no students tested; “not on file” marks a result missing from the records we hold. None of them means zero.
Every tested year2022–2026 · rates, tested counts, and each grade
English and math by test year · all tested grades
| Year · subject | Students with scores | Top level | Top two levels |
|---|---|---|---|
| 2026 · English | 22 | 0% | 27% |
| 2026 · Math | 22 | 23% | 32% |
| 2025 · English | 31 | 0% | 13% |
| 2025 · Math | 31 | 10% | 23% |
| 2024 · English | 28 | 7% | 25% |
| 2024 · Math | 28 | 0% | 14% |
| 2023 · English | 23 | 0% | 30% |
| 2023 · Math | 23 | 0% | 9% |
| 2022 · English | 26 | 0% | 31% |
| 2022 · Math | 26 | 0% | 8% |
Each year names its school year end (2026 = 2025–26). “Students with scores” counts each subject on its own, so don’t add the English and math counts together. A dash is unavailable, not zero.
Earlier years · grade and subject
| Year · grade · subject | Students with scores | Met or exceeded |
|---|---|---|
| 2025 · Grade 4 · English | — | — |
| 2025 · Grade 5 · English | — | — |
| 2025 · Grade 6 · English | — | — |
| 2025 · Grade 7 · English | 8 | — |
| 2025 · Grade 8 · English | 17 | 18% |
| 2025 · Grade 4 · Math | — | — |
| 2025 · Grade 5 · Math | — | — |
| 2025 · Grade 6 · Math | — | — |
| 2025 · Grade 7 · Math | 8 | — |
| 2025 · Grade 8 · Math | 17 | 24% |
| 2024 · Grade 3 · English | — | — |
| 2024 · Grade 4 · English | — | — |
| 2024 · Grade 5 · English | — | — |
| 2024 · Grade 6 · English | — | — |
| 2024 · Grade 7 · English | 13 | 31% |
| 2024 · Grade 8 · English | 7 | — |
| 2024 · Grade 3 · Math | — | — |
| 2024 · Grade 4 · Math | — | — |
| 2024 · Grade 5 · Math | — | — |
| 2024 · Grade 6 · Math | — | — |
| 2024 · Grade 7 · Math | 13 | 15% |
| 2024 · Grade 8 · Math | 7 | — |
| 2023 · Grade 3 · English | — | — |
| 2023 · Grade 4 · English | — | — |
| 2023 · Grade 6 · English | 7 | — |
| 2023 · Grade 7 · English | 9 | — |
| 2023 · Grade 8 · English | — | — |
| 2023 · Grade 3 · Math | — | — |
| 2023 · Grade 4 · Math | — | — |
| 2023 · Grade 6 · Math | 7 | — |
| 2023 · Grade 7 · Math | 9 | — |
| 2023 · Grade 8 · Math | — | — |
| 2022 · Grade 3 · English | 5 | — |
| 2022 · Grade 4 · English | — | — |
| 2022 · Grade 5 · English | 5 | — |
| 2022 · Grade 6 · English | 5 | — |
| 2022 · Grade 7 · English | 5 | — |
| 2022 · Grade 8 · English | 5 | — |
| 2022 · Grade 3 · Math | 5 | — |
| 2022 · Grade 4 · Math | — | — |
| 2022 · Grade 5 · Math | 5 | — |
| 2022 · Grade 6 · Math | 5 | — |
| 2022 · Grade 7 · Math | 5 | — |
| 2022 · Grade 8 · Math | 5 | — |
Current 2025–26 grade results appear above. “Students with scores” counts the students tested in that grade, subject and year. A missing result is not zero, and each year’s row is a different group of children.
Science (CAST)schoolwide · spring 2026
| Science (CAST) | Tested | Advanced | Proficient | Developing level | Minimal |
|---|---|---|---|---|---|
| Schoolwide | 8 | — | — | — | — |
CAST is California’s science test, reported apart from English and math.
Attendance and suspensionsState records · this school and each student group · 2018–19 and 2025–26
CDE’s all-students school rates for 2024–25 and 2025–26; the change is the difference between the two rates as printed.
| Year-over-year school rates |
|---|
| Chronic absenteeism2024–25 · 17 in 100 → 2025–26 · 17 in 100 · 0 in 100 |
| Suspension rate2024–25 · 0 of 38 → 2025–26 · 0 of 33 · 0.0 percentage points |
| Group | 2018–19 | 2025–26 |
|---|---|---|
| Female | — | 15 in 100 |
| Male | — | 19 in 100 |
| White | — | 0 in 100 |
| All students | — | 17 in 100 |
Two reported school years only; no intervening-year result is implied. Source: CDE school-level chronic absenteeism by student group.
Student groups: the state’s growth measureCalifornia School Dashboard 2025 · points above or below what the state expected
| Group | English | n | CDE category | Math | n | CDE category |
|---|---|---|---|---|---|---|
| All students | −17 | 20 | Moderate | +6 | 20 | Accelerated |
| English-only students | −10 | 17 | not categorized | +13 | 17 | not categorized |
CDE reports scale-score points against the state’s expected score, not a percentage or percentile. All imported groups remain visible; a missing group has no imported record shown here. CDE growth covers grades 4–8.
Growth recordsthe state’s student-by-student measure
State model · English−17 pts vs expected
matched students, grades 4–8California growth model, English: −17 scale-score points versus the state's expectation, CDE category Moderate.State model · math+6 pts vs expected
matched students, grades 4–8California growth model, math: +6 scale-score points versus the state's expectation, CDE category Accelerated.Fundingschool and district spending, from state and federal finance records · each row names its fiscal year and measure
Per-pupil spending
NCES F-33 · FY 2020–21 (2021) · fall district membership: 1,319 pupils
NCES F-33 · FY 2020–21 (2021) · SchoolScope’s unweighted mean across 818 selected California district finance records
CDE ESSA · central expenditures attributed to this school · FY 2024–25 (2025) · source denominator: 26
CDE SACS Current Expense of Education · district fiscal year ending 2025 · average daily attendance denominator
| Group | Dollars | Share, to two decimals | Printed |
|---|---|---|---|
| Instruction | $12,428,367 | 58.43% | 59% |
| Instruction support | $2,363,128 | 11.11% | 11% |
| Student services | $2,215,439 | 10.42% | 10% |
| Administration | $1,755,216 | 8.25% | 8% |
| Buildings & maintenance | $2,507,909 | 11.79% | 12% |
| Total | $21,270,059 | 100.00% | 100% |
Source: NCES F-33 · Full district breakdown →
Staffing recordsstate teacher credential-and-placement and district salary records · each for its own year
Additional workforce records
CDE 2024–25 SARC, Teacher Preparation and Placement table; measured school year 2021–22. Share of reported school teaching-position full-time equivalents assigned to properly assigned intern credential holders. A reported 0.0% is shown; unavailable rates are omitted. This is a position share, not a count of current teachers or of emergency permits.
The surrounding ZIP codeCensus Bureau survey, 2020–2024 · ZIP 94505 · not the school’s students
| Measure | Estimate |
|---|---|
| Median household income | $146,480 |
| Bachelor's degree or higher (adults 25+) | 33% |
| ZIP-area population | 14,970 |
| Median age | 45.8 years |
Source: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates. Median household income covers the past 12 months and is reported in 2024 inflation-adjusted dollars. Bachelor's degree or higher uses adults age 25 and over as its population. A dash is unavailable, not zero; a reported zero remains zero. ZIP-area figures do not establish the school's attendance area or describe its enrolled students. See all schools in ZIP code 94505 →
Downloads and methodologyCSV · sources · corrections
Data sources: public data sources, including the California Department of Education · state tests (CAASPP) 2025–26 · Census survey (ACS) 2020–2024 · staffing and finance name their own sources and years beside each figure · Data updated October 15, 2026.
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