Bret Harte Elementary: math

The shaded band is this school's normal range. If nothing about how it works changes, nearly every future year should land inside it. Zero means the typical student just meets the state standard. The small numbers under the years are how many students were tested.

Measured against the grade bars

The state's math test uses one scale for every grade, so a score means the same thing in grade 3 as in grade 6.

3rd The average 3rd grader scores 45 points under the grade 3 bar. 2391 vs. 2436.
4th The average 4th grader scores 28 points under the grade 3 bar. 2408 vs. 2436. The 4th-grade bar is 2485.
5th The average 5th grader scores 18 points under the grade 4 bar. 2467 vs. 2485. The 5th-grade bar is 2528.
6th The average 6th grader scores 34 points under the grade 4 bar. 2451 vs. 2485. The 6th-grade bar is 2552.

2026 results. "Meets standard" is the state's mark for being on track for that grade.

Step 1 · Each year's result

For each grade tested, take the average (mean) scale score from the California Department of Education's results file, and subtract the lowest score that counts as "Standard Met" for that grade. That is the grade's distance from standard. Weight each grade by its share of the students tested, then add the grades up. Grades where the state hides the average because ten or fewer students tested are left out entirely.

2015 from sb_ca2015_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	61,484	2336.0	− 2436	−100	× 61 / 214	−28.5
4	61,486	2402.3	− 2485	−82.7	× 56 / 214	−21.6
5	61,488	2415.6	− 2528	−112.4	× 48 / 214	−25.2
6	61,490	2441.8	− 2552	−110.2	× 49 / 214	−25.2
Sum, rounded to a whole point						−101

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	57,045	2339.9	− 2436	−96.1	× 48 / 192	−24
4	57,048	2390.9	− 2485	−94.1	× 51 / 192	−25
5	57,050	2427.6	− 2528	−100.4	× 49 / 192	−25.6
6	57,051	2458.0	− 2552	−94	× 44 / 192	−21.5
Sum, rounded to a whole point						−96

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	58,721	2362.9	− 2436	−73.1	× 33 / 170	−14.2
4	58,722	2382.2	− 2485	−102.8	× 43 / 170	−26
5	58,724	2399.9	− 2528	−128.1	× 43 / 170	−32.4
6	58,727	2432.0	− 2552	−120	× 51 / 170	−36
Sum, rounded to a whole point						−109

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	58,836	2343.3	− 2436	−92.7	× 35 / 147	−22.1
4	58,837	2362.3	− 2485	−122.7	× 35 / 147	−29.2
5	58,840	2393.7	− 2528	−134.3	× 34 / 147	−31.1
6	58,841	2403.7	− 2552	−148.3	× 43 / 147	−43.4
Sum, rounded to a whole point						−126

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	59,091	2366.8	− 2436	−69.2	× 32 / 132	−16.8
4	59,092	2384.6	− 2485	−100.4	× 36 / 132	−27.4
5	59,093	2368.0	− 2528	−160	× 33 / 132	−40
6	59,094	2397.5	− 2552	−154.5	× 31 / 132	−36.3
Sum, rounded to a whole point						−120

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	59,174	2353.1	− 2436	−82.9	× 20 / 105	−15.8
4	59,175	2395.0	− 2485	−90	× 23 / 105	−19.7
5	59,176	2406.8	− 2528	−121.2	× 28 / 105	−32.3
6	59,177	2444.8	− 2552	−107.2	× 34 / 105	−34.7
Sum, rounded to a whole point						−103

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
4	59,133	2380.5	− 2485	−104.5	× 27 / 91	−31
5	59,134	2407.4	− 2528	−120.6	× 33 / 91	−43.7
6	59,135	2424.8	− 2552	−127.2	× 31 / 91	−43.3
Sum, rounded to a whole point						−118

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	59,063	2378.1	− 2436	−57.9	× 22 / 83	−15.3
4	59,064	2414.1	− 2485	−70.9	× 14 / 83	−12
5	59,065	2396.5	− 2528	−131.5	× 18 / 83	−28.5
6	59,066	2421.0	− 2552	−131	× 29 / 83	−45.8
Sum, rounded to a whole point						−102

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	58,820	2411.8	− 2436	−24.2	× 23 / 72	−7.7
4	58,821	2429.8	− 2485	−55.2	× 21 / 72	−16.1
5	58,822	2425.7	− 2528	−102.3	× 11 / 72	−15.6
6	58,823	2474.1	− 2552	−77.9	× 17 / 72	−18.4
Sum, rounded to a whole point						−58

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	58,747	2390.6	− 2436	−45.4	× 24 / 85	−12.8
4	58,748	2408.4	− 2485	−76.6	× 30 / 85	−27
5	58,749	2466.8	− 2528	−61.2	× 19 / 85	−13.7
6	58,750	2451.1	− 2552	−100.9	× 12 / 85	−14.2
Sum, rounded to a whole point						−68

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −101, −96, −109, −126, −120, −103, −118, −102, −58, −68 → −100.1
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 5 · 2016→2017: 13 · 2017→2018: 17 · 2018→2019: 6 · 2019→2022: 17 · 2022→2023: 15 · 2023→2024: 16 · 2024→2025: 44 · 2025→2026: 10 → average 15.9
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 15.9 × 2.66 = 42.3. Upper limit −57.8, lower limit −142.4.

Why 2.66? It is the standard factor from quality control, the work of Walter Shewhart and W. Edwards Deming. It turns "how much the result typically changes in a year" into "how far it can wander by chance alone".

Years with no result (no state tests were given in spring 2020) are skipped: the year-to-year change runs from the last year with a result to the next one.

Step 3 · Free or reduced-price meals

The share of enrolled students eligible for free or reduced-price meals. From 2014–15, 2015–16, 2016–17, 2017–18, 2018–19, 2020–21, 2021–22, 2022–23, 2023–24, 2024–25, 2025–26.