Adelante Dual Language Academy Ii: 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.

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.

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	82,214	2399.4	− 2436	−36.6	× 21 / 21	−36.6
Sum, rounded to a whole point						−37

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	82,826	2341.1	− 2436	−94.9	× 20 / 40	−47.5
4	82,827	2429.6	− 2485	−55.4	× 20 / 40	−27.7
Sum, rounded to a whole point						−75

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,035	2353.0	− 2436	−83	× 46 / 123	−31
4	83,036	2384.8	− 2485	−100.2	× 31 / 123	−25.3
5	83,037	2407.9	− 2528	−120.1	× 17 / 123	−16.6
6	83,038	2378.3	− 2552	−173.7	× 16 / 123	−22.6
7	83,039	2439.2	− 2567	−127.8	× 13 / 123	−13.5
Sum, rounded to a whole point						−109

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,018	2390.4	− 2436	−45.6	× 45 / 146	−14.1
4	83,019	2402.8	− 2485	−82.2	× 41 / 146	−23.1
5	83,020	2380.0	− 2528	−148	× 29 / 146	−29.4
6	83,021	2389.5	− 2552	−162.5	× 15 / 146	−16.7
7	83,022	2428.6	− 2567	−138.4	× 16 / 146	−15.2
Sum, rounded to a whole point						−98

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,021	2355.7	− 2436	−80.3	× 47 / 195	−19.4
4	83,022	2452.2	− 2485	−32.8	× 42 / 195	−7.1
5	83,023	2399.2	− 2528	−128.8	× 41 / 195	−27.1
6	83,024	2410.5	− 2552	−141.5	× 31 / 195	−22.5
7	83,025	2434.4	− 2567	−132.6	× 16 / 195	−10.9
8	83,026	2403.8	− 2586	−182.2	× 18 / 195	−16.8
Sum, rounded to a whole point						−104

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	82,703	2372.2	− 2436	−63.8	× 42 / 225	−11.9
4	82,704	2421.6	− 2485	−63.4	× 51 / 225	−14.4
5	82,705	2451.7	− 2528	−76.3	× 41 / 225	−13.9
6	82,706	2416.4	− 2552	−135.6	× 45 / 225	−27.1
7	82,707	2440.3	− 2567	−126.7	× 32 / 225	−18
8	82,708	2471.4	− 2586	−114.6	× 14 / 225	−7.1
Sum, rounded to a whole point						−92

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −37, −75, −109, −98, −104, −92 → −85.8
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2018→2019: 38 · 2019→2022: 34 · 2022→2023: 11 · 2023→2024: 6 · 2024→2025: 12 → average 20.2
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 20.2 × 2.66 = 53.7. Upper limit −32.1, lower limit −139.5.

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 2017–18, 2018–19, 2020–21, 2021–22, 2022–23, 2023–24, 2024–25, 2025–26.