California School For The Deaf-Riverside: 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	55,154	2296.2	− 2432	−135.8	× 12 / 108	−15.1
4	55,156	2340.2	− 2473	−132.8	× 13 / 108	−16
5	55,158	2377.8	− 2502	−124.2	× 14 / 108	−16.1
6	55,160	2416.2	− 2531	−114.8	× 23 / 108	−24.4
8	55,164	2447.9	− 2567	−119.1	× 18 / 108	−19.9
11	55,166	2433.8	− 2583	−149.2	× 28 / 108	−38.7
Sum, rounded to a whole point						−130

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	52,703	2313.5	− 2432	−118.5	× 15 / 127	−14
4	52,704	2360.1	− 2473	−112.9	× 14 / 127	−12.4
5	52,707	2339.9	− 2502	−162.1	× 11 / 127	−14
6	52,709	2411.2	− 2531	−119.8	× 16 / 127	−15.1
7	52,711	2438.3	− 2552	−113.7	× 14 / 127	−12.5
8	52,712	2486.5	− 2567	−80.5	× 20 / 127	−12.7
11	52,715	2451.9	− 2583	−131.1	× 37 / 127	−38.2
Sum, rounded to a whole point						−119

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	52,789	2282.6	− 2432	−149.4	× 14 / 96	−21.8
4	52,791	2338.4	− 2473	−134.6	× 17 / 96	−23.8
5	52,793	2373.3	− 2502	−128.7	× 13 / 96	−17.4
7	52,797	2410.9	− 2552	−141.1	× 14 / 96	−20.6
8	52,799	2452.1	− 2567	−114.9	× 14 / 96	−16.8
11	52,801	2480.8	− 2583	−102.2	× 24 / 96	−25.6
Sum, rounded to a whole point						−126

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
4	53,025	2300.3	− 2473	−172.7	× 16 / 57	−48.5
5	53,026	2386.2	− 2502	−115.8	× 18 / 57	−36.6
8	53,029	2439.5	− 2567	−127.5	× 12 / 57	−26.8
11	53,030	2395.0	− 2583	−188	× 11 / 57	−36.3
Sum, rounded to a whole point						−148

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	53,032	2262.4	− 2432	−169.6	× 15 / 83	−30.7
4	53,033	2348.3	− 2473	−124.7	× 19 / 83	−28.5
5	53,034	2378.9	− 2502	−123.1	× 17 / 83	−25.2
7	53,036	2415.2	− 2552	−136.8	× 11 / 83	−18.1
11	53,038	2454.9	− 2583	−128.1	× 21 / 83	−32.4
Sum, rounded to a whole point						−135

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
4	52,996	2303.2	− 2473	−169.8	× 17 / 67	−43.1
5	52,997	2364.7	− 2502	−137.3	× 20 / 67	−41
6	52,998	2396.6	− 2531	−134.4	× 17 / 67	−34.1
8	53,000	2378.3	− 2567	−188.7	× 13 / 67	−36.6
Sum, rounded to a whole point						−155

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	52,841	2275.3	− 2432	−156.7	× 21 / 117	−28.1
4	52,842	2325.1	− 2473	−147.9	× 15 / 117	−19
5	52,843	2331.2	− 2502	−170.8	× 16 / 117	−23.4
6	52,844	2344.0	− 2531	−187	× 19 / 117	−30.4
7	52,845	2393.5	− 2552	−158.5	× 19 / 117	−25.7
8	52,846	2407.0	− 2567	−160	× 12 / 117	−16.4
11	52,847	2461.7	− 2583	−121.3	× 15 / 117	−15.6
Sum, rounded to a whole point						−159

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	52,581	2285.1	− 2432	−146.9	× 18 / 129	−20.5
4	52,582	2279.1	− 2473	−193.9	× 22 / 129	−33.1
5	52,583	2366.2	− 2502	−135.8	× 11 / 129	−11.6
6	52,584	2377.1	− 2531	−153.9	× 18 / 129	−21.5
7	52,585	2399.4	− 2552	−152.6	× 21 / 129	−24.8
8	52,586	2400.6	− 2567	−166.4	× 20 / 129	−25.8
11	52,587	2466.3	− 2583	−116.7	× 19 / 129	−17.2
Sum, rounded to a whole point						−154

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −130, −119, −126, −148, −135, −155, −159, −154 → −140.8
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2017: 11 · 2017→2018: 7 · 2018→2019: 22 · 2019→2022: 13 · 2022→2023: 20 · 2023→2024: 4 · 2024→2025: 5 → average 11.7
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 11.7 × 2.66 = 31.1. Upper limit −109.7, lower limit −171.9.

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.

Schools in California School For The Deaf-Riverside

California School For The Deaf-Riverside