Community School/Independent Alternative Education: english

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.

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
7	64,136	2411.8	− 2552	−140.2	× 16 / 170	−13.2
8	64,139	2432.1	− 2567	−134.9	× 34 / 170	−27
11	64,140	2450.7	− 2583	−132.3	× 120 / 170	−93.4
Sum, rounded to a whole point						−134

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
7	59,487	2423.1	− 2552	−128.9	× 24 / 255	−12.1
8	59,489	2411.6	− 2567	−155.4	× 80 / 255	−48.8
11	59,491	2450.6	− 2583	−132.4	× 151 / 255	−78.4
Sum, rounded to a whole point						−139

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
6	61,227	2374.4	− 2531	−156.6	× 14 / 276	−7.9
7	61,229	2396.2	− 2552	−155.8	× 31 / 276	−17.5
8	61,230	2418.2	− 2567	−148.8	× 65 / 276	−35
11	61,232	2440.5	− 2583	−142.5	× 166 / 276	−85.7
Sum, rounded to a whole point						−146

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
7	61,344	2373.8	− 2552	−178.2	× 39 / 287	−24.2
8	61,346	2421.1	− 2567	−145.9	× 64 / 287	−32.5
11	61,348	2445.5	− 2583	−137.5	× 184 / 287	−88.2
Sum, rounded to a whole point						−145

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
7	61,584	2404.5	− 2552	−147.5	× 35 / 313	−16.5
8	61,585	2393.5	− 2567	−173.5	× 80 / 313	−44.3
11	61,586	2450.6	− 2583	−132.4	× 198 / 313	−83.8
Sum, rounded to a whole point						−145

2021 from sb_ca2021_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
8	60,195	2449.1	− 2567	−117.9	× 17 / 121	−16.6
11	60,196	2433.6	− 2583	−149.4	× 104 / 121	−128.4
Sum, rounded to a whole point						−145

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
6	61,666	2396.6	− 2531	−134.4	× 14 / 235	−8
7	61,667	2411.0	− 2552	−141	× 35 / 235	−21
8	61,668	2407.2	− 2567	−159.8	× 61 / 235	−41.5
11	61,669	2437.0	− 2583	−146	× 125 / 235	−77.7
Sum, rounded to a whole point						−148

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
6	61,604	2377.4	− 2531	−153.6	× 17 / 264	−9.9
7	61,605	2399.2	− 2552	−152.8	× 38 / 264	−22
8	61,606	2419.3	− 2567	−147.7	× 83 / 264	−46.4
11	61,607	2434.3	− 2583	−148.7	× 126 / 264	−71
Sum, rounded to a whole point						−149

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
6	61,553	2381.5	− 2531	−149.5	× 13 / 248	−7.8
7	61,554	2396.8	− 2552	−155.2	× 33 / 248	−20.7
8	61,555	2412.4	− 2567	−154.6	× 84 / 248	−52.4
11	61,556	2444.9	− 2583	−138.1	× 118 / 248	−65.7
Sum, rounded to a whole point						−147

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
7	61,302	2400.1	− 2552	−151.9	× 22 / 177	−18.9
8	61,303	2395.9	− 2567	−171.1	× 47 / 177	−45.4
11	61,304	2449.9	− 2583	−133.1	× 108 / 177	−81.2
Sum, rounded to a whole point						−146

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −134, −139, −146, −145, −145, −145, −148, −149, −147, −146 → −144.4
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: 7 · 2017→2018: 1 · 2018→2019: 0 · 2019→2021: 0 · 2021→2022: 3 · 2022→2023: 1 · 2023→2024: 2 · 2024→2025: 1 → average 2.2
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 2.2 × 2.66 = 5.9. Upper limit −138.5, lower limit −150.3.

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.