Morris Elementary: math

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.

Measured against the grade 4 bar

The state's math test uses one scale for every grade, so a score means the same thing in grade 3 as in grade 5.

4th The average 4th grader scores 43 points under the grade 4 bar. 2442 vs. 2485.
5th The average 5th grader scores 27 points under the grade 4 bar. 2459 vs. 2485. The 5th-grade bar is 2528.

2026 results. "Meets standard" is the state's mark for being on track for that grade.

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	13,998	2400.3	− 2436	−35.7	× 117 / 369	−11.3
4	14,001	2458.3	− 2485	−26.7	× 119 / 369	−8.6
5	14,002	2475.5	− 2528	−52.5	× 133 / 369	−18.9
Sum, rounded to a whole point						−39

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,021	2404.8	− 2436	−31.2	× 125 / 361	−10.8
4	13,023	2443.8	− 2485	−41.2	× 121 / 361	−13.8
5	13,025	2469.1	− 2528	−58.9	× 115 / 361	−18.8
Sum, rounded to a whole point						−43

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,352	2418.5	− 2436	−17.5	× 130 / 375	−6.1
4	13,354	2438.2	− 2485	−46.8	× 130 / 375	−16.2
5	13,355	2454.2	− 2528	−73.8	× 115 / 375	−22.6
Sum, rounded to a whole point						−45

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,351	2423.3	− 2436	−12.7	× 109 / 358	−3.9
4	13,354	2441.5	− 2485	−43.5	× 126 / 358	−15.3
5	13,355	2450.1	− 2528	−77.9	× 123 / 358	−26.8
Sum, rounded to a whole point						−46

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,464	2432.8	− 2436	−3.2	× 121 / 361	−1.1
4	13,465	2471.1	− 2485	−13.9	× 108 / 361	−4.2
5	13,466	2457.2	− 2528	−70.8	× 132 / 361	−25.9
Sum, rounded to a whole point						−31

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,491	2404.8	− 2436	−31.2	× 93 / 305	−9.5
4	13,492	2450.2	− 2485	−34.8	× 102 / 305	−11.6
5	13,493	2476.5	− 2528	−51.5	× 110 / 305	−18.6
Sum, rounded to a whole point						−40

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,472	2412.9	− 2436	−23.1	× 83 / 279	−6.9
4	13,473	2471.8	− 2485	−13.2	× 96 / 279	−4.5
5	13,474	2461.5	− 2528	−66.5	× 100 / 279	−23.8
Sum, rounded to a whole point						−35

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,433	2402.9	− 2436	−33.1	× 86 / 265	−10.7
4	13,434	2464.8	− 2485	−20.2	× 87 / 265	−6.6
5	13,435	2473.0	− 2528	−55	× 92 / 265	−19.1
Sum, rounded to a whole point						−36

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	13,407	2398.1	− 2436	−37.9	× 67 / 253	−10
4	13,408	2445.8	− 2485	−39.2	× 96 / 253	−14.9
5	13,409	2480.4	− 2528	−47.6	× 90 / 253	−16.9
Sum, rounded to a whole point						−42

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
4	13,408	2441.7	− 2485	−43.3	× 64 / 161	−17.2
5	13,409	2458.5	− 2528	−69.5	× 97 / 161	−41.9
Sum, rounded to a whole point						−59

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −39, −43, −45, −46, −31, −40, −35, −36, −42, −59 → −41.6
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: 2 · 2017→2018: 1 · 2018→2019: 15 · 2019→2022: 9 · 2022→2023: 5 · 2023→2024: 1 · 2024→2025: 6 · 2025→2026: 17 → average 6.7
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 6.7 × 2.66 = 17.8. Upper limit −23.8, lower limit −59.4.

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. From 2014–15, 2015–16, 2016–17, 2017–18, 2018–19, 2020–21, 2021–22, 2022–23, 2023–24, 2024–25, 2025–26.