Dehesa Elementary: math

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	71,068	2376.3	− 2436	−59.7	× 21 / 114	−11
4	71,071	2464.8	− 2485	−20.2	× 21 / 114	−3.7
5	71,072	2496.5	− 2528	−31.5	× 21 / 114	−5.8
6	71,075	2481.2	− 2552	−70.8	× 23 / 114	−14.3
7	71,076	2518.9	− 2567	−48.1	× 16 / 114	−6.8
8	71,079	2476.0	− 2586	−110	× 12 / 114	−11.6
Sum, rounded to a whole point						−53

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,855	2422.1	− 2436	−13.9	× 22 / 125	−2.4
4	65,858	2449.5	− 2485	−35.5	× 24 / 125	−6.8
5	65,860	2485.7	− 2528	−42.3	× 22 / 125	−7.4
6	65,862	2489.3	− 2552	−62.7	× 19 / 125	−9.5
7	65,863	2502.7	− 2567	−64.3	× 21 / 125	−10.8
8	65,865	2529.8	− 2586	−56.2	× 17 / 125	−7.6
Sum, rounded to a whole point						−45

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	67,680	2431.4	− 2436	−4.6	× 15 / 105	−0.7
4	67,682	2488.7	− 2485	3.7	× 21 / 105	0.7
5	67,683	2501.7	− 2528	−26.3	× 24 / 105	−6
6	67,685	2478.7	− 2552	−73.3	× 19 / 105	−13.3
7	67,688	2465.2	− 2567	−101.8	× 11 / 105	−10.7
8	67,690	2497.9	− 2586	−88.1	× 15 / 105	−12.6
Sum, rounded to a whole point						−42

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	67,787	2373.4	− 2436	−62.6	× 16 / 95	−10.5
4	67,790	2508.9	− 2485	23.9	× 16 / 95	4
5	67,791	2535.6	− 2528	7.6	× 21 / 95	1.7
6	67,794	2478.6	− 2552	−73.4	× 14 / 95	−10.8
7	67,795	2516.8	− 2567	−50.2	× 15 / 95	−7.9
8	67,798	2498.3	− 2586	−87.7	× 13 / 95	−12
Sum, rounded to a whole point						−36

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	68,305	2425.4	− 2436	−10.6	× 16 / 92	−1.8
4	68,306	2456.5	− 2485	−28.5	× 15 / 92	−4.6
5	68,307	2479.5	− 2528	−48.5	× 17 / 92	−9
6	68,308	2517.7	− 2552	−34.3	× 18 / 92	−6.7
7	68,309	2525.5	− 2567	−41.5	× 13 / 92	−5.9
8	68,310	2509.8	− 2586	−76.2	× 13 / 92	−10.8
Sum, rounded to a whole point						−39

2021 from sb_ca2021_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	66,900	2392.8	− 2436	−43.2	× 11 / 61	−7.8
4	66,901	2473.3	− 2485	−11.7	× 16 / 61	−3.1
5	66,902	2453.8	− 2528	−74.2	× 18 / 61	−21.9
8	66,905	2520.2	− 2586	−65.8	× 16 / 61	−17.3
Sum, rounded to a whole point						−50

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	68,433	2334.8	− 2436	−101.2	× 11 / 39	−28.5
5	68,435	2482.5	− 2528	−45.5	× 15 / 39	−17.5
6	68,436	2470.8	− 2552	−81.2	× 13 / 39	−27.1
Sum, rounded to a whole point						−73

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	68,449	2334.3	− 2436	−101.7	× 16 / 28	−58.1
7	68,453	2514.8	− 2567	−52.2	× 12 / 28	−22.4
Sum, rounded to a whole point						−80

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	68,445	2372.7	− 2436	−63.3	× 26 / 133	−12.4
4	68,446	2405.7	− 2485	−79.3	× 36 / 133	−21.5
5	68,447	2457.0	− 2528	−71	× 25 / 133	−13.3
6	68,448	2473.3	− 2552	−78.7	× 15 / 133	−8.9
7	68,449	2493.2	− 2567	−73.8	× 13 / 133	−7.2
8	68,450	2529.8	− 2586	−56.2	× 18 / 133	−7.6
Sum, rounded to a whole point						−71

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	68,213	2375.0	− 2436	−61	× 27 / 193	−8.5
4	68,214	2416.5	− 2485	−68.5	× 42 / 193	−14.9
5	68,215	2439.0	− 2528	−89	× 48 / 193	−22.1
6	68,216	2484.2	− 2552	−67.8	× 42 / 193	−14.8
7	68,217	2513.4	− 2567	−53.6	× 18 / 193	−5
8	68,218	2564.3	− 2586	−21.7	× 16 / 193	−1.8
Sum, rounded to a whole point						−67

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	68,258	2379.0	− 2436	−57	× 64 / 277	−13.2
4	68,259	2419.4	− 2485	−65.6	× 48 / 277	−11.4
5	68,260	2457.6	− 2528	−70.4	× 64 / 277	−16.3
6	68,261	2470.2	− 2552	−81.8	× 66 / 277	−19.5
7	68,262	2513.4	− 2567	−53.6	× 20 / 277	−3.9
8	68,263	2497.6	− 2586	−88.4	× 15 / 277	−4.8
Sum, rounded to a whole point						−69

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −53, −45, −42, −36, −39, −50, −73, −80, −71, −67, −69 → −56.8
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 8 · 2016→2017: 3 · 2017→2018: 6 · 2018→2019: 3 · 2019→2021: 11 · 2021→2022: 23 · 2022→2023: 7 · 2023→2024: 9 · 2024→2025: 4 · 2025→2026: 2 → average 7.6
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 7.6 × 2.66 = 20.2. Upper limit −36.6, lower limit −77.

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.

Dehesa Elementary