iLEAD Lancaster Charter: english

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 bars

The state's English test uses one scale for every grade, so a score means the same thing in grade 3 as in grade 8.

3rd The average 3rd grader scores 72 points under the grade 3 bar. 2360 vs. 2432.
4th The average 4th grader scores 39 points under the grade 3 bar. 2393 vs. 2432. The 4th-grade bar is 2473.
5th The average 5th grader scores 23 points under the grade 3 bar. 2409 vs. 2432. The 5th-grade bar is 2502.
6th The average 6th grader scores 26 points under the grade 4 bar. 2447 vs. 2473. The 6th-grade bar is 2531.
7th The average 7th grader scores 19 points under the grade 5 bar. 2483 vs. 2502. The 7th-grade bar is 2552.
8th The average 8th grader scores 25 points under the grade 6 bar. 2506 vs. 2531. The 8th-grade bar is 2567.

2026 results. The English test covers reading, writing, listening and research together. "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	25,020	2329.2	− 2432	−102.8	× 57 / 250	−23.4
4	25,022	2381.0	− 2473	−92	× 55 / 250	−20.2
5	25,024	2429.2	− 2502	−72.8	× 58 / 250	−16.9
6	25,026	2479.2	− 2531	−51.8	× 54 / 250	−11.2
7	25,028	2484.6	− 2552	−67.4	× 26 / 250	−7
Sum, rounded to a whole point						−79

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,291	2368.7	− 2432	−63.3	× 79 / 321	−15.6
4	23,294	2404.1	− 2473	−68.9	× 54 / 321	−11.6
5	23,295	2441.0	− 2502	−61	× 51 / 321	−9.7
6	23,297	2478.9	− 2531	−52.1	× 59 / 321	−9.6
7	23,299	2507.9	− 2552	−44.1	× 52 / 321	−7.1
8	23,301	2533.4	− 2567	−33.6	× 26 / 321	−2.7
Sum, rounded to a whole point						−56

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,745	2348.8	− 2432	−83.2	× 78 / 409	−15.9
4	23,748	2386.9	− 2473	−86.1	× 73 / 409	−15.4
5	23,749	2428.4	− 2502	−73.6	× 57 / 409	−10.3
6	23,752	2438.8	− 2531	−92.2	× 59 / 409	−13.3
7	23,753	2498.7	− 2552	−53.3	× 76 / 409	−9.9
8	23,755	2518.2	− 2567	−48.8	× 66 / 409	−7.9
Sum, rounded to a whole point						−73

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,763	2347.0	− 2432	−85	× 84 / 445	−16
4	23,765	2377.6	− 2473	−95.4	× 73 / 445	−15.6
5	23,767	2425.7	− 2502	−76.3	× 74 / 445	−12.7
6	23,769	2463.5	− 2531	−67.5	× 73 / 445	−11.1
7	23,771	2466.2	− 2552	−85.8	× 60 / 445	−11.6
8	23,773	2507.1	− 2567	−59.9	× 81 / 445	−10.9
Sum, rounded to a whole point						−78

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,933	2361.6	− 2432	−70.4	× 74 / 451	−11.6
4	23,934	2387.6	− 2473	−85.4	× 79 / 451	−15
5	23,935	2447.4	− 2502	−54.6	× 82 / 451	−9.9
6	23,936	2479.7	− 2531	−51.3	× 86 / 451	−9.8
7	23,937	2500.7	− 2552	−51.3	× 65 / 451	−7.4
8	23,938	2498.7	− 2567	−68.3	× 65 / 451	−9.8
Sum, rounded to a whole point						−63

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,870	2346.6	− 2432	−85.4	× 75 / 493	−13
4	23,871	2376.6	− 2473	−96.4	× 80 / 493	−15.6
5	23,872	2417.6	− 2502	−84.4	× 90 / 493	−15.4
6	23,873	2452.7	− 2531	−78.3	× 75 / 493	−11.9
7	23,874	2487.7	− 2552	−64.3	× 90 / 493	−11.7
8	23,875	2469.2	− 2567	−97.8	× 83 / 493	−16.5
Sum, rounded to a whole point						−84

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,835	2348.4	− 2432	−83.6	× 80 / 500	−13.4
4	23,836	2373.0	− 2473	−100	× 75 / 500	−15
5	23,837	2447.9	− 2502	−54.1	× 80 / 500	−8.7
6	23,838	2419.3	− 2531	−111.7	× 84 / 500	−18.8
7	23,839	2472.9	− 2552	−79.1	× 86 / 500	−13.6
8	23,840	2491.7	− 2567	−75.3	× 95 / 500	−14.3
Sum, rounded to a whole point						−84

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,685	2362.9	− 2432	−69.1	× 74 / 493	−10.4
4	23,686	2391.5	− 2473	−81.5	× 79 / 493	−13.1
5	23,687	2418.9	− 2502	−83.1	× 73 / 493	−12.3
6	23,688	2470.8	− 2531	−60.2	× 90 / 493	−11
7	23,689	2452.6	− 2552	−99.4	× 92 / 493	−18.5
8	23,690	2496.6	− 2567	−70.4	× 85 / 493	−12.1
Sum, rounded to a whole point						−77

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,580	2364.8	− 2432	−67.2	× 80 / 502	−10.7
4	23,581	2402.1	− 2473	−70.9	× 84 / 502	−11.9
5	23,582	2410.0	− 2502	−92	× 84 / 502	−15.4
6	23,583	2475.1	− 2531	−55.9	× 79 / 502	−8.8
7	23,584	2473.7	− 2552	−78.3	× 85 / 502	−13.3
8	23,585	2490.8	− 2567	−76.2	× 90 / 502	−13.7
Sum, rounded to a whole point						−74

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	23,620	2359.6	− 2432	−72.4	× 77 / 485	−11.5
4	23,621	2393.4	− 2473	−79.6	× 82 / 485	−13.5
5	23,622	2409.1	− 2502	−92.9	× 80 / 485	−15.3
6	23,623	2447.2	− 2531	−83.8	× 86 / 485	−14.9
7	23,624	2483.1	− 2552	−68.9	× 84 / 485	−11.9
8	23,625	2505.7	− 2567	−61.3	× 76 / 485	−9.6
Sum, rounded to a whole point						−77

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −79, −56, −73, −78, −63, −84, −84, −77, −74, −77 → −74.5
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 23 · 2016→2017: 17 · 2017→2018: 5 · 2018→2019: 15 · 2019→2022: 21 · 2022→2023: 0 · 2023→2024: 7 · 2024→2025: 3 · 2025→2026: 3 → average 10.4
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 10.4 × 2.66 = 27.7. Upper limit −46.8, lower limit −102.2.

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.