Evergreen 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	86,935	2453.0	− 2436	17	× 1405 / 9022	2.6
4	86,937	2490.4	− 2485	5.4	× 1503 / 9022	0.9
5	86,939	2517.8	− 2528	−10.2	× 1512 / 9022	−1.7
6	86,941	2565.4	− 2552	13.4	× 1596 / 9022	2.4
7	86,943	2580.0	− 2567	13	× 1490 / 9022	2.1
8	86,945	2607.9	− 2586	21.9	× 1516 / 9022	3.7
Sum, rounded to a whole point						10

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	80,676	2460.6	− 2436	24.6	× 1297 / 8694	3.7
4	80,679	2500.4	− 2485	15.4	× 1411 / 8694	2.5
5	80,680	2530.7	− 2528	2.7	× 1495 / 8694	0.5
6	80,683	2569.3	− 2552	17.3	× 1480 / 8694	2.9
7	80,684	2595.8	− 2567	28.8	× 1541 / 8694	5.1
8	80,687	2609.6	− 2586	23.6	× 1470 / 8694	4
Sum, rounded to a whole point						19

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	82,895	2467.7	− 2436	31.7	× 1200 / 8360	4.6
4	82,898	2495.9	− 2485	10.9	× 1316 / 8360	1.7
5	82,900	2532.0	− 2528	4	× 1402 / 8360	0.7
6	82,902	2565.7	− 2552	13.7	× 1454 / 8360	2.4
7	82,904	2594.2	− 2567	27.2	× 1466 / 8360	4.8
8	82,906	2615.5	− 2586	29.5	× 1522 / 8360	5.4
Sum, rounded to a whole point						19

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,114	2466.5	− 2436	30.5	× 1202 / 7972	4.6
4	83,117	2508.4	− 2485	23.4	× 1213 / 7972	3.6
5	83,118	2531.5	− 2528	3.5	× 1314 / 7972	0.6
6	83,121	2571.1	− 2552	19.1	× 1403 / 7972	3.4
7	83,122	2588.8	− 2567	21.8	× 1382 / 7972	3.8
8	83,125	2615.9	− 2586	29.9	× 1458 / 7972	5.5
Sum, rounded to a whole point						21

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,728	2465.0	− 2436	29	× 1111 / 7581	4.2
4	83,729	2508.2	− 2485	23.2	× 1188 / 7581	3.6
5	83,730	2543.3	− 2528	15.3	× 1214 / 7581	2.5
6	83,731	2567.6	− 2552	15.6	× 1276 / 7581	2.6
7	83,732	2592.4	− 2567	25.4	× 1409 / 7581	4.7
8	83,733	2611.3	− 2586	25.3	× 1383 / 7581	4.6
Sum, rounded to a whole point						22

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,925	2469.7	− 2436	33.7	× 991 / 6391	5.2
4	83,926	2504.5	− 2485	19.5	× 1031 / 6391	3.1
5	83,927	2535.5	− 2528	7.5	× 1056 / 6391	1.2
6	83,928	2558.7	− 2552	6.7	× 1088 / 6391	1.1
7	83,929	2594.5	− 2567	27.5	× 1104 / 6391	4.8
8	83,930	2610.2	− 2586	24.2	× 1121 / 6391	4.2
Sum, rounded to a whole point						20

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,864	2466.4	− 2436	30.4	× 904 / 6295	4.4
4	83,865	2514.8	− 2485	29.8	× 1019 / 6295	4.8
5	83,866	2533.2	− 2528	5.2	× 1047 / 6295	0.9
6	83,867	2572.9	− 2552	20.9	× 1086 / 6295	3.6
7	83,868	2582.1	− 2567	15.1	× 1102 / 6295	2.6
8	83,869	2606.4	− 2586	20.4	× 1137 / 6295	3.7
Sum, rounded to a whole point						20

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,869	2467.0	− 2436	31	× 876 / 6110	4.4
4	83,870	2512.7	− 2485	27.7	× 950 / 6110	4.3
5	83,871	2540.0	− 2528	12	× 1040 / 6110	2
6	83,872	2561.1	− 2552	9.1	× 1068 / 6110	1.6
7	83,873	2604.2	− 2567	37.2	× 1066 / 6110	6.5
8	83,874	2610.5	− 2586	24.5	× 1110 / 6110	4.5
Sum, rounded to a whole point						23

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,547	2466.4	− 2436	30.4	× 855 / 5885	4.4
4	83,548	2512.6	− 2485	27.6	× 879 / 5885	4.1
5	83,549	2532.0	− 2528	4	× 951 / 5885	0.6
6	83,550	2572.3	− 2552	20.3	× 1059 / 5885	3.7
7	83,551	2591.9	− 2567	24.9	× 1076 / 5885	4.6
8	83,552	2619.9	− 2586	33.9	× 1065 / 5885	6.1
Sum, rounded to a whole point						24

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	83,366	2468.2	− 2436	32.2	× 799 / 5730	4.5
4	83,367	2502.3	− 2485	17.3	× 884 / 5730	2.7
5	83,368	2534.6	− 2528	6.6	× 911 / 5730	1
6	83,369	2563.7	− 2552	11.7	× 964 / 5730	2
7	83,370	2591.8	− 2567	24.8	× 1075 / 5730	4.7
8	83,371	2613.3	− 2586	27.3	× 1097 / 5730	5.2
Sum, rounded to a whole point						20

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. 10, 19, 19, 21, 22, 20, 20, 23, 24, 20 → 19.8
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 9 · 2016→2017: 0 · 2017→2018: 2 · 2018→2019: 1 · 2019→2022: 2 · 2022→2023: 0 · 2023→2024: 3 · 2024→2025: 1 · 2025→2026: 4 → average 2.4
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 2.4 × 2.66 = 6.4. Upper limit 26.2, lower limit 13.4.

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.

Evergreen Elementary