Stella Brockman 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 8.

Many students here are still learning English. The math test is written in English, with some translation help, and many of its questions are word problems. In 2026, 149 of the 535 students who took the math test were English learners.

All students

3rd The average 3rd grader scores 67 points under the grade 3 bar. 2369 vs. 2436.
4th The average 4th grader scores 29 points under the grade 3 bar. 2407 vs. 2436. The 4th-grade bar is 2485.
5th The average 5th grader scores 23 points under the grade 4 bar. 2462 vs. 2485. The 5th-grade bar is 2528.
6th The average 6th grader scores 11 points under the grade 4 bar. 2474 vs. 2485. The 6th-grade bar is 2552.
7th The average 7th grader scores 41 points under the grade 4 bar. 2444 vs. 2485. The 7th-grade bar is 2567.
8th The average 8th grader scores just under the grade 4 bar. 2477 vs. 2485. The 8th-grade bar is 2586.

Students fluent in English

Math with English out of the way. Includes students who have only ever spoken English.

Grade bars 3rd 62 students 47 points under the grade 3 bar. 4th 67 students 23 points under the grade 3 bar. 5th 60 students Just under the grade 4 bar. 6th 66 students Just under the grade 4 bar. 7th 60 students 31 points under the grade 4 bar. 8th 71 students 25 points under the grade 5 bar.

English learners

Students leave this group as they become fluent, so its average stays low even where they learn well.

Grade bars 3rd 37 students 101 points under the grade 3 bar. 4th 29 students 44 points under the grade 3 bar. 5th 23 students 15 points under the grade 3 bar. 6th 11 students 30 points under the grade 4 bar. 7th 24 students 18 points under the grade 3 bar. 8th 25 students 33 points under the grade 3 bar.

the group's average that grade's own bar the distance between

2026 results. "Meets standard" is the state's mark for being on track for that grade. The state leaves out any group of ten students or fewer, so a grade may be missing from the charts.

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	79,953	2382.7	− 2436	−53.3	× 97 / 548	−9.4
4	79,954	2457.3	− 2485	−27.7	× 94 / 548	−4.8
5	79,957	2450.9	− 2528	−77.1	× 81 / 548	−11.4
6	79,958	2504.6	− 2552	−47.4	× 81 / 548	−7
7	79,961	2523.2	− 2567	−43.8	× 94 / 548	−7.5
8	79,962	2535.1	− 2586	−50.9	× 101 / 548	−9.4
Sum, rounded to a whole point						−49

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	74,082	2396.4	− 2436	−39.6	× 101 / 560	−7.1
4	74,084	2439.7	− 2485	−45.3	× 97 / 560	−7.8
5	74,087	2450.7	− 2528	−77.3	× 94 / 560	−13
6	74,089	2478.7	− 2552	−73.3	× 83 / 560	−10.9
7	74,090	2529.7	− 2567	−37.3	× 86 / 560	−5.7
8	74,093	2555.2	− 2586	−30.8	× 99 / 560	−5.4
Sum, rounded to a whole point						−50

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,070	2399.1	− 2436	−36.9	× 103 / 587	−6.5
4	76,071	2443.3	− 2485	−41.7	× 97 / 587	−6.9
5	76,074	2448.1	− 2528	−79.9	× 99 / 587	−13.5
6	76,076	2497.7	− 2552	−54.3	× 97 / 587	−9
7	76,077	2501.2	− 2567	−65.8	× 97 / 587	−10.9
8	76,080	2539.6	− 2586	−46.4	× 94 / 587	−7.4
Sum, rounded to a whole point						−54

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,261	2392.5	− 2436	−43.5	× 113 / 604	−8.1
4	76,263	2458.6	− 2485	−26.4	× 96 / 604	−4.2
5	76,265	2467.0	− 2528	−61	× 101 / 604	−10.2
6	76,267	2508.0	− 2552	−44	× 105 / 604	−7.6
7	76,269	2504.6	− 2567	−62.4	× 101 / 604	−10.4
8	76,271	2482.6	− 2586	−103.4	× 88 / 604	−15.1
Sum, rounded to a whole point						−56

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,785	2411.7	− 2436	−24.3	× 79 / 580	−3.3
4	76,786	2449.7	− 2485	−35.3	× 93 / 580	−5.7
5	76,787	2475.4	− 2528	−52.6	× 100 / 580	−9.1
6	76,788	2497.5	− 2552	−54.5	× 104 / 580	−9.8
7	76,789	2490.8	− 2567	−76.2	× 100 / 580	−13.1
8	76,790	2503.3	− 2586	−82.7	× 104 / 580	−14.8
Sum, rounded to a whole point						−56

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,941	2364.2	− 2436	−71.8	× 81 / 489	−11.9
4	76,942	2429.9	− 2485	−55.1	× 74 / 489	−8.3
5	76,943	2467.8	− 2528	−60.2	× 92 / 489	−11.3
6	76,944	2475.1	− 2552	−76.9	× 68 / 489	−10.7
7	76,945	2483.7	− 2567	−83.3	× 85 / 489	−14.5
8	76,946	2518.0	− 2586	−68	× 89 / 489	−12.4
Sum, rounded to a whole point						−69

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,935	2383.0	− 2436	−53	× 78 / 494	−8.4
4	76,936	2410.0	− 2485	−75	× 70 / 494	−10.6
5	76,937	2450.1	− 2528	−77.9	× 81 / 494	−12.8
6	76,938	2488.5	− 2552	−63.5	× 88 / 494	−11.3
7	76,939	2459.5	− 2567	−107.5	× 93 / 494	−20.2
8	76,940	2485.3	− 2586	−100.7	× 84 / 494	−17.1
Sum, rounded to a whole point						−80

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,926	2398.5	− 2436	−37.5	× 75 / 476	−5.9
4	76,927	2445.0	− 2485	−40	× 72 / 476	−6.1
5	76,928	2407.1	− 2528	−120.9	× 70 / 476	−17.8
6	76,929	2467.5	− 2552	−84.5	× 68 / 476	−12.1
7	76,930	2468.4	− 2567	−98.6	× 96 / 476	−19.9
8	76,931	2473.7	− 2586	−112.3	× 95 / 476	−22.4
Sum, rounded to a whole point						−84

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,579	2370.3	− 2436	−65.7	× 74 / 479	−10.1
4	76,580	2432.6	− 2485	−52.4	× 83 / 479	−9.1
5	76,581	2441.2	− 2528	−86.8	× 77 / 479	−14
6	76,582	2456.3	− 2552	−95.7	× 72 / 479	−14.4
7	76,583	2448.2	− 2567	−118.8	× 79 / 479	−19.6
8	76,584	2461.6	− 2586	−124.4	× 94 / 479	−24.4
Sum, rounded to a whole point						−92

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,483	2368.9	− 2436	−67.1	× 99 / 535	−12.4
4	76,484	2406.9	− 2485	−78.1	× 96 / 535	−14
5	76,485	2461.7	− 2528	−66.3	× 83 / 535	−10.3
6	76,486	2474.1	− 2552	−77.9	× 77 / 535	−11.2
7	76,487	2443.9	− 2567	−123.1	× 84 / 535	−19.3
8	76,488	2476.9	− 2586	−109.1	× 96 / 535	−19.6
Sum, rounded to a whole point						−87

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −49, −50, −54, −56, −56, −69, −80, −84, −92, −87 → −67.7
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 1 · 2016→2017: 4 · 2017→2018: 2 · 2018→2019: 0 · 2019→2022: 13 · 2022→2023: 11 · 2023→2024: 4 · 2024→2025: 8 · 2025→2026: 5 → average 5.3
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 5.3 × 2.66 = 14.1. Upper limit −53.6, lower limit −81.8.

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.