Reach Academy: 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
3	2,299	2307.1	− 2432	−124.9	× 64 / 181	−44.2
4	2,300	2347.1	− 2473	−125.9	× 61 / 181	−42.4
5	2,303	2359.0	− 2502	−143	× 56 / 181	−44.2
Sum, rounded to a whole point						−131

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	1,981	2324.4	− 2432	−107.6	× 62 / 175	−38.1
4	1,982	2359.0	− 2473	−114	× 55 / 175	−35.8
5	1,985	2399.0	− 2502	−103	× 58 / 175	−34.1
Sum, rounded to a whole point						−108

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	2,038	2320.6	− 2432	−111.4	× 57 / 168	−37.8
4	2,041	2356.8	− 2473	−116.2	× 53 / 168	−36.7
5	2,042	2369.5	− 2502	−132.5	× 58 / 168	−45.7
Sum, rounded to a whole point						−120

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	2,048	2333.7	− 2432	−98.3	× 60 / 172	−34.3
4	2,051	2371.2	− 2473	−101.8	× 55 / 172	−32.6
5	2,052	2373.7	− 2502	−128.3	× 57 / 172	−42.5
Sum, rounded to a whole point						−109

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	2,054	2362.9	− 2432	−69.1	× 64 / 186	−23.8
4	2,055	2364.3	− 2473	−108.7	× 60 / 186	−35.1
5	2,056	2392.4	− 2502	−109.6	× 62 / 186	−36.5
Sum, rounded to a whole point						−95

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	2,036	2346.0	− 2432	−86	× 58 / 166	−30
4	2,037	2390.4	− 2473	−82.6	× 55 / 166	−27.4
5	2,038	2396.1	− 2502	−105.9	× 53 / 166	−33.8
Sum, rounded to a whole point						−91

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	1,996	2343.5	− 2432	−88.5	× 61 / 166	−32.5
4	1,997	2369.2	− 2473	−103.8	× 54 / 166	−33.8
5	1,998	2400.0	− 2502	−102	× 51 / 166	−31.3
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	1,964	2367.0	− 2432	−65	× 52 / 168	−20.1
4	1,965	2375.7	− 2473	−97.3	× 61 / 168	−35.3
5	1,966	2410.3	− 2502	−91.7	× 55 / 168	−30
Sum, rounded to a whole point						−85

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	1,938	2343.2	− 2432	−88.8	× 78 / 188	−36.8
4	1,939	2395.1	− 2473	−77.9	× 54 / 188	−22.4
5	1,940	2411.2	− 2502	−90.8	× 56 / 188	−27
Sum, rounded to a whole point						−86

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −131, −108, −120, −109, −95, −91, −98, −85, −86 → −102.6
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 23 · 2016→2017: 12 · 2017→2018: 11 · 2018→2019: 14 · 2019→2022: 4 · 2022→2023: 7 · 2023→2024: 13 · 2024→2025: 1 → average 10.6
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 10.6 × 2.66 = 28.2. Upper limit −74.4, lower limit −130.8.

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.