San Gabriel Unified: english

The shaded band is this district'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.

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	40,042	2417.9	− 2432	−14.1	× 373 / 2697	−2
4	40,044	2453.0	− 2473	−20	× 365 / 2697	−2.7
5	40,046	2518.9	− 2502	16.9	× 396 / 2697	2.5
6	40,048	2553.1	− 2531	22.1	× 395 / 2697	3.2
7	40,050	2573.1	− 2552	21.1	× 378 / 2697	3
8	40,052	2572.7	− 2567	5.7	× 382 / 2697	0.8
11	40,054	2640.8	− 2583	57.8	× 408 / 2697	8.7
Sum, rounded to a whole point						14

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	37,099	2425.0	− 2432	−7	× 354 / 2721	−0.9
4	37,101	2490.4	− 2473	17.4	× 374 / 2721	2.4
5	37,102	2508.3	− 2502	6.3	× 371 / 2721	0.9
6	37,105	2555.9	− 2531	24.9	× 390 / 2721	3.6
7	37,106	2588.4	− 2552	36.4	× 409 / 2721	5.5
8	37,109	2579.8	− 2567	12.8	× 382 / 2721	1.8
11	37,111	2661.7	− 2583	78.7	× 441 / 2721	12.8
Sum, rounded to a whole point						26

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	37,886	2432.1	− 2432	0.1	× 378 / 2775	0
4	37,889	2471.0	− 2473	−2	× 357 / 2775	−0.3
5	37,891	2511.0	− 2502	9	× 384 / 2775	1.2
6	37,893	2529.3	− 2531	−1.7	× 363 / 2775	−0.2
7	37,895	2585.1	− 2552	33.1	× 403 / 2775	4.8
8	37,896	2593.7	− 2567	26.7	× 406 / 2775	3.9
11	37,898	2641.3	− 2583	58.3	× 484 / 2775	10.2
Sum, rounded to a whole point						20

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	37,826	2436.5	− 2432	4.5	× 309 / 2638	0.5
4	37,828	2492.2	− 2473	19.2	× 390 / 2638	2.8
5	37,830	2508.1	− 2502	6.1	× 353 / 2638	0.8
6	37,832	2539.2	− 2531	8.2	× 379 / 2638	1.2
7	37,834	2560.4	− 2552	8.4	× 374 / 2638	1.2
8	37,836	2594.7	− 2567	27.7	× 407 / 2638	4.3
11	37,838	2623.3	− 2583	40.3	× 426 / 2638	6.5
Sum, rounded to a whole point						17

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	38,031	2453.6	− 2432	21.6	× 324 / 2512	2.8
4	38,032	2488.8	− 2473	15.8	× 313 / 2512	2
5	38,033	2533.3	− 2502	31.3	× 378 / 2512	4.7
6	38,034	2542.1	− 2531	11.1	× 338 / 2512	1.5
7	38,035	2583.3	− 2552	31.3	× 380 / 2512	4.7
8	38,036	2574.9	− 2567	7.9	× 367 / 2512	1.2
11	38,037	2638.9	− 2583	55.9	× 412 / 2512	9.2
Sum, rounded to a whole point						26

2021 from sb_ca2021_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
11	37,148	2678.9	− 2583	95.9	× 236 / 236	95.9
Sum, rounded to a whole point						96

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	37,920	2425.6	− 2432	−6.4	× 348 / 2235	−1
4	37,921	2480.8	− 2473	7.8	× 328 / 2235	1.1
5	37,922	2523.5	− 2502	21.5	× 290 / 2235	2.8
6	37,923	2557.7	− 2531	26.7	× 302 / 2235	3.6
7	37,924	2587.3	− 2552	35.3	× 302 / 2235	4.8
8	37,925	2598.5	− 2567	31.5	× 358 / 2235	5
11	37,926	2615.6	− 2583	32.6	× 307 / 2235	4.5
Sum, rounded to a whole point						21

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	37,963	2432.9	− 2432	0.9	× 298 / 2203	0.1
4	37,964	2463.6	− 2473	−9.4	× 345 / 2203	−1.5
5	37,965	2510.1	− 2502	8.1	× 319 / 2203	1.2
6	37,966	2550.1	− 2531	19.1	× 281 / 2203	2.4
7	37,967	2579.6	− 2552	27.6	× 314 / 2203	3.9
8	37,968	2585.1	− 2567	18.1	× 314 / 2203	2.6
11	37,969	2631.7	− 2583	48.7	× 332 / 2203	7.3
Sum, rounded to a whole point						16

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	37,815	2428.0	− 2432	−4	× 329 / 2252	−0.6
4	37,816	2478.6	− 2473	5.6	× 286 / 2252	0.7
5	37,817	2502.3	− 2502	0.3	× 343 / 2252	0
6	37,818	2552.2	− 2531	21.2	× 334 / 2252	3.1
7	37,819	2591.6	− 2552	39.6	× 290 / 2252	5.1
8	37,820	2599.3	− 2567	32.3	× 304 / 2252	4.4
11	37,821	2598.7	− 2583	15.7	× 366 / 2252	2.6
Sum, rounded to a whole point						15

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	37,592	2437.0	− 2432	5	× 302 / 2258	0.7
4	37,593	2477.2	− 2473	4.2	× 331 / 2258	0.6
5	37,594	2508.4	− 2502	6.4	× 284 / 2258	0.8
6	37,595	2539.3	− 2531	8.3	× 336 / 2258	1.2
7	37,596	2582.2	− 2552	30.2	× 345 / 2258	4.6
8	37,597	2605.6	− 2567	38.6	× 295 / 2258	5
11	37,598	2617.0	− 2583	34	× 365 / 2258	5.5
Sum, rounded to a whole point						18

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. 14, 26, 20, 17, 26, 96, 21, 16, 15, 18 → 26.9
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 12 · 2016→2017: 6 · 2017→2018: 3 · 2018→2019: 9 · 2019→2021: 70 · 2021→2022: 75 · 2022→2023: 5 · 2023→2024: 1 · 2024→2025: 3 → average 20.4
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 20.4 × 2.66 = 54.3. Upper limit 81.2, lower limit −27.4.

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 — for a district, the total across its schools. From 2014–15, 2015–16, 2016–17, 2017–18, 2018–19, 2020–21, 2021–22, 2022–23, 2023–24, 2024–25, 2025–26.