La Habra City 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	50,328	2394.8	− 2436	−41.2	× 488 / 3228	−6.2
4	50,330	2430.5	− 2485	−54.5	× 537 / 3228	−9.1
5	50,332	2452.3	− 2528	−75.7	× 539 / 3228	−12.6
6	50,334	2446.4	− 2552	−105.6	× 552 / 3228	−18.1
7	50,336	2477.7	− 2567	−89.3	× 578 / 3228	−16
8	50,338	2503.8	− 2586	−82.2	× 534 / 3228	−13.6
Sum, rounded to a whole point						−76

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	46,738	2411.8	− 2436	−24.2	× 551 / 3224	−4.1
4	46,740	2450.6	− 2485	−34.4	× 483 / 3224	−5.2
5	46,741	2470.3	− 2528	−57.7	× 528 / 3224	−9.4
6	46,743	2454.8	− 2552	−97.2	× 549 / 3224	−16.6
7	46,746	2486.3	− 2567	−80.7	× 544 / 3224	−13.6
8	46,747	2508.5	− 2586	−77.5	× 569 / 3224	−13.7
Sum, rounded to a whole point						−63

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	48,006	2422.2	− 2436	−13.8	× 518 / 3120	−2.3
4	48,007	2453.0	− 2485	−32	× 533 / 3120	−5.5
5	48,009	2472.6	− 2528	−55.4	× 474 / 3120	−8.4
6	48,011	2464.6	− 2552	−87.4	× 520 / 3120	−14.6
7	48,013	2475.8	− 2567	−91.2	× 544 / 3120	−15.9
8	48,016	2508.2	− 2586	−77.8	× 531 / 3120	−13.2
Sum, rounded to a whole point						−60

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	48,008	2415.4	− 2436	−20.6	× 456 / 3040	−3.1
4	48,010	2452.7	− 2485	−32.3	× 530 / 3040	−5.6
5	48,012	2479.9	− 2528	−48.1	× 523 / 3040	−8.3
6	48,014	2470.0	− 2552	−82	× 465 / 3040	−12.5
7	48,016	2481.2	− 2567	−85.8	× 520 / 3040	−14.7
8	48,018	2491.1	− 2586	−94.9	× 546 / 3040	−17
Sum, rounded to a whole point						−61

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	48,189	2414.8	− 2436	−21.2	× 494 / 2997	−3.5
4	48,190	2450.7	− 2485	−34.3	× 459 / 2997	−5.3
5	48,191	2481.8	− 2528	−46.2	× 524 / 2997	−8.1
6	48,192	2494.7	− 2552	−57.3	× 523 / 2997	−10
7	48,193	2495.2	− 2567	−71.8	× 477 / 2997	−11.4
8	48,194	2502.0	− 2586	−84	× 520 / 2997	−14.6
Sum, rounded to a whole point						−53

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	48,053	2406.4	− 2436	−29.6	× 440 / 2774	−4.7
4	48,054	2439.7	− 2485	−45.3	× 464 / 2774	−7.6
5	48,055	2466.6	− 2528	−61.4	× 443 / 2774	−9.8
6	48,056	2477.1	− 2552	−74.9	× 482 / 2774	−13
7	48,057	2488.4	− 2567	−78.6	× 452 / 2774	−12.8
8	48,058	2492.3	− 2586	−93.7	× 493 / 2774	−16.7
Sum, rounded to a whole point						−65

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	48,035	2414.8	− 2436	−21.2	× 491 / 2725	−3.8
4	48,036	2449.7	− 2485	−35.3	× 423 / 2725	−5.5
5	48,037	2470.6	− 2528	−57.4	× 453 / 2725	−9.5
6	48,038	2478.3	− 2552	−73.7	× 444 / 2725	−12
7	48,039	2493.0	− 2567	−74	× 452 / 2725	−12.3
8	48,040	2501.5	− 2586	−84.5	× 462 / 2725	−14.3
Sum, rounded to a whole point						−57

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	47,894	2428.5	− 2436	−7.5	× 442 / 2711	−1.2
4	47,895	2452.7	− 2485	−32.3	× 483 / 2711	−5.8
5	47,896	2477.4	− 2528	−50.6	× 425 / 2711	−7.9
6	47,897	2491.2	− 2552	−60.8	× 463 / 2711	−10.4
7	47,898	2490.1	− 2567	−76.9	× 441 / 2711	−12.5
8	47,899	2500.9	− 2586	−85.1	× 457 / 2711	−14.3
Sum, rounded to a whole point						−52

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	47,650	2428.3	− 2436	−7.7	× 455 / 2680	−1.3
4	47,651	2457.0	− 2485	−28	× 437 / 2680	−4.6
5	47,652	2476.8	− 2528	−51.2	× 479 / 2680	−9.2
6	47,653	2498.5	− 2552	−53.5	× 419 / 2680	−8.4
7	47,654	2505.1	− 2567	−61.9	× 449 / 2680	−10.4
8	47,655	2489.2	− 2586	−96.8	× 441 / 2680	−15.9
Sum, rounded to a whole point						−50

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	47,519	2432.6	− 2436	−3.4	× 406 / 2597	−0.5
4	47,520	2463.2	− 2485	−21.8	× 442 / 2597	−3.7
5	47,521	2488.1	− 2528	−39.9	× 431 / 2597	−6.6
6	47,522	2489.4	− 2552	−62.6	× 473 / 2597	−11.4
7	47,523	2505.3	− 2567	−61.7	× 404 / 2597	−9.6
8	47,524	2515.3	− 2586	−70.7	× 441 / 2597	−12
Sum, rounded to a whole point						−44

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −76, −63, −60, −61, −53, −65, −57, −52, −50, −44 → −58.1
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 13 · 2016→2017: 3 · 2017→2018: 1 · 2018→2019: 8 · 2019→2022: 12 · 2022→2023: 8 · 2023→2024: 5 · 2024→2025: 2 · 2025→2026: 6 → average 6.4
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 6.4 × 2.66 = 17. Upper limit −41.1, lower limit −75.1.

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.

La Habra City Elementary