Mckinleyville Union Elementary: 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	13,968	2393.3	− 2432	−38.7	× 117 / 713	−6.4
4	13,971	2443.2	− 2473	−29.8	× 121 / 713	−5.1
5	13,972	2474.4	− 2502	−27.6	× 132 / 713	−5.1
6	13,975	2518.8	− 2531	−12.2	× 109 / 713	−1.9
7	13,976	2520.2	− 2552	−31.8	× 118 / 713	−5.3
8	13,979	2551.3	− 2567	−15.7	× 116 / 713	−2.6
Sum, rounded to a whole point						−26

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	12,999	2398.9	− 2432	−33.1	× 127 / 724	−5.8
4	13,001	2435.1	− 2473	−37.9	× 121 / 724	−6.3
5	13,003	2467.5	− 2502	−34.5	× 116 / 724	−5.5
6	13,004	2520.1	− 2531	−10.9	× 134 / 724	−2
7	13,006	2545.8	− 2552	−6.2	× 105 / 724	−0.9
8	13,009	2557.7	− 2567	−9.3	× 121 / 724	−1.6
Sum, rounded to a whole point						−22

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,330	2406.0	− 2432	−26	× 129 / 724	−4.6
4	13,331	2424.2	− 2473	−48.8	× 129 / 724	−8.7
5	13,333	2450.4	− 2502	−51.6	× 115 / 724	−8.2
6	13,336	2518.5	− 2531	−12.5	× 115 / 724	−2
7	13,338	2505.4	− 2552	−46.6	× 134 / 724	−8.6
8	13,339	2566.2	− 2567	−0.8	× 102 / 724	−0.1
Sum, rounded to a whole point						−32

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,329	2411.1	− 2432	−20.9	× 108 / 714	−3.2
4	13,332	2433.7	− 2473	−39.3	× 126 / 714	−6.9
5	13,333	2460.5	− 2502	−41.5	× 123 / 714	−7.1
6	13,336	2483.4	− 2531	−47.6	× 112 / 714	−7.5
7	13,337	2495.2	− 2552	−56.8	× 114 / 714	−9.1
8	13,340	2536.6	− 2567	−30.4	× 131 / 714	−5.6
Sum, rounded to a whole point						−39

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,438	2419.4	− 2432	−12.6	× 121 / 720	−2.1
4	13,439	2455.4	− 2473	−17.6	× 108 / 720	−2.6
5	13,440	2456.9	− 2502	−45.1	× 131 / 720	−8.2
6	13,441	2500.5	− 2531	−30.5	× 127 / 720	−5.4
7	13,442	2516.2	− 2552	−35.8	× 116 / 720	−5.8
8	13,443	2542.8	− 2567	−24.2	× 117 / 720	−3.9
Sum, rounded to a whole point						−28

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,465	2419.3	− 2432	−12.7	× 93 / 630	−1.9
4	13,466	2445.9	− 2473	−27.1	× 103 / 630	−4.4
5	13,467	2474.8	− 2502	−27.2	× 110 / 630	−4.7
6	13,468	2498.7	− 2531	−32.3	× 106 / 630	−5.4
7	13,469	2531.0	− 2552	−21	× 106 / 630	−3.5
8	13,470	2499.8	− 2567	−67.2	× 112 / 630	−11.9
Sum, rounded to a whole point						−32

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,446	2406.4	− 2432	−25.6	× 83 / 615	−3.5
4	13,447	2453.7	− 2473	−19.3	× 96 / 615	−3
5	13,448	2475.2	− 2502	−26.8	× 99 / 615	−4.3
6	13,449	2485.0	− 2531	−46	× 115 / 615	−8.6
7	13,450	2535.3	− 2552	−16.7	× 117 / 615	−3.2
8	13,451	2535.3	− 2567	−31.7	× 105 / 615	−5.4
Sum, rounded to a whole point						−28

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,407	2394.3	− 2432	−37.7	× 86 / 576	−5.6
4	13,408	2457.9	− 2473	−15.1	× 85 / 576	−2.2
5	13,409	2486.1	− 2502	−15.9	× 92 / 576	−2.5
6	13,410	2465.7	− 2531	−65.3	× 90 / 576	−10.2
7	13,411	2489.6	− 2552	−62.4	× 110 / 576	−11.9
8	13,412	2502.2	− 2567	−64.8	× 113 / 576	−12.7
Sum, rounded to a whole point						−45

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,375	2401.9	− 2432	−30.1	× 67 / 556	−3.6
4	13,376	2446.3	− 2473	−26.7	× 96 / 556	−4.6
5	13,377	2504.0	− 2502	2	× 90 / 556	0.3
6	13,378	2468.6	− 2531	−62.4	× 97 / 556	−10.9
7	13,379	2509.4	− 2552	−42.6	× 95 / 556	−7.3
8	13,380	2512.4	− 2567	−54.6	× 111 / 556	−10.9
Sum, rounded to a whole point						−37

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −26, −22, −32, −39, −28, −32, −28, −45, −37 → −32.1
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 4 · 2016→2017: 10 · 2017→2018: 7 · 2018→2019: 11 · 2019→2022: 4 · 2022→2023: 4 · 2023→2024: 17 · 2024→2025: 8 → average 8.1
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 8.1 × 2.66 = 21.5. Upper limit −10.6, lower limit −53.6.

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.