Rio Valley 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 11.

3rd The average 3rd grader scores just under the grade 3 bar. 2424 vs. 2432.
4th The average 4th grader scores 10 points under the grade 4 bar. 2463 vs. 2473.
5th The average 5th grader meets the grade 5 bar. 2516 vs. 2502.
6th The average 6th grader scores just under the grade 6 bar. 2526 vs. 2531.
7th The average 7th grader scores just under the grade 7 bar. 2543 vs. 2552.
8th The average 8th grader meets the grade 8 bar. 2571 vs. 2567.
11th The average 11th grader meets the grade 11 bar. 2603 vs. 2583.

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
7	79,272	2502.6	− 2552	−49.4	× 19 / 95	−9.9
8	79,275	2472.0	− 2567	−95	× 24 / 95	−24
11	79,276	2498.3	− 2583	−84.7	× 52 / 95	−46.4
Sum, rounded to a whole point						−80

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
5	73,451	2421.2	− 2502	−80.8	× 13 / 100	−10.5
6	73,452	2451.3	− 2531	−79.7	× 12 / 100	−9.6
7	73,454	2519.3	− 2552	−32.7	× 13 / 100	−4.3
8	73,456	2539.1	− 2567	−27.9	× 24 / 100	−6.7
11	73,459	2567.5	− 2583	−15.5	× 38 / 100	−5.9
Sum, rounded to a whole point						−37

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	75,404	2335.9	− 2432	−96.1	× 18 / 138	−12.5
4	75,406	2418.3	− 2473	−54.7	× 15 / 138	−5.9
5	75,407	2425.2	− 2502	−76.8	× 13 / 138	−7.2
6	75,409	2468.8	− 2531	−62.2	× 17 / 138	−7.7
7	75,412	2495.7	− 2552	−56.3	× 18 / 138	−7.3
8	75,413	2572.6	− 2567	5.6	× 18 / 138	0.7
11	75,416	2531.7	− 2583	−51.3	× 39 / 138	−14.5
Sum, rounded to a whole point						−54

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	75,598	2413.8	− 2432	−18.2	× 25 / 335	−1.4
4	75,601	2405.0	− 2473	−68	× 34 / 335	−6.9
5	75,602	2462.3	− 2502	−39.7	× 32 / 335	−3.8
6	75,605	2482.8	− 2531	−48.2	× 39 / 335	−5.6
7	75,606	2515.9	− 2552	−36.1	× 52 / 335	−5.6
8	75,609	2542.4	− 2567	−24.6	× 38 / 335	−2.8
11	75,610	2526.6	− 2583	−56.4	× 115 / 335	−19.4
Sum, rounded to a whole point						−45

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,120	2401.1	− 2432	−30.9	× 46 / 431	−3.3
4	76,121	2454.1	− 2473	−18.9	× 38 / 431	−1.7
5	76,122	2465.2	− 2502	−36.8	× 46 / 431	−3.9
6	76,123	2495.2	− 2531	−35.8	× 42 / 431	−3.5
7	76,124	2519.8	− 2552	−32.2	× 68 / 431	−5.1
8	76,125	2519.6	− 2567	−47.4	× 74 / 431	−8.1
11	76,126	2535.2	− 2583	−47.8	× 117 / 431	−13
Sum, rounded to a whole point						−39

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,266	2363.5	− 2432	−68.5	× 47 / 421	−7.6
4	76,267	2399.3	− 2473	−73.7	× 53 / 421	−9.3
5	76,268	2460.4	− 2502	−41.6	× 52 / 421	−5.1
6	76,269	2505.2	− 2531	−25.8	× 48 / 421	−2.9
7	76,270	2540.7	− 2552	−11.3	× 63 / 421	−1.7
8	76,271	2536.7	− 2567	−30.3	× 73 / 421	−5.3
11	76,272	2540.8	− 2583	−42.2	× 85 / 421	−8.5
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	76,248	2377.8	− 2432	−54.2	× 52 / 419	−6.7
4	76,249	2406.3	− 2473	−66.7	× 38 / 419	−6
5	76,250	2444.8	− 2502	−57.2	× 52 / 419	−7.1
6	76,251	2517.5	− 2531	−13.5	× 50 / 419	−1.6
7	76,252	2525.6	− 2552	−26.4	× 61 / 419	−3.8
8	76,253	2549.7	− 2567	−17.3	× 72 / 419	−3
11	76,254	2562.5	− 2583	−20.5	× 94 / 419	−4.6
Sum, rounded to a whole point						−33

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	76,243	2385.2	− 2432	−46.8	× 35 / 378	−4.3
4	76,244	2430.8	− 2473	−42.2	× 41 / 378	−4.6
5	76,245	2482.5	− 2502	−19.5	× 40 / 378	−2.1
6	76,246	2516.5	− 2531	−14.5	× 47 / 378	−1.8
7	76,247	2545.2	− 2552	−6.8	× 65 / 378	−1.2
8	76,248	2543.4	− 2567	−23.6	× 75 / 378	−4.7
11	76,249	2574.6	− 2583	−8.4	× 75 / 378	−1.7
Sum, rounded to a whole point						−20

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	75,916	2405.7	− 2432	−26.3	× 44 / 359	−3.2
4	75,917	2456.5	− 2473	−16.5	× 33 / 359	−1.5
5	75,918	2509.0	− 2502	7	× 41 / 359	0.8
6	75,919	2525.0	− 2531	−6	× 41 / 359	−0.7
7	75,920	2543.8	− 2552	−8.2	× 66 / 359	−1.5
8	75,921	2554.8	− 2567	−12.2	× 71 / 359	−2.4
11	75,922	2608.2	− 2583	25.2	× 63 / 359	4.4
Sum, rounded to a whole point						−4

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	75,826	2424.4	− 2432	−7.6	× 40 / 403	−0.8
4	75,827	2463.3	− 2473	−9.7	× 56 / 403	−1.3
5	75,828	2516.4	− 2502	14.4	× 40 / 403	1.4
6	75,829	2525.8	− 2531	−5.2	× 55 / 403	−0.7
7	75,830	2543.4	− 2552	−8.6	× 75 / 403	−1.6
8	75,831	2570.7	− 2567	3.7	× 73 / 403	0.7
11	75,832	2602.9	− 2583	19.9	× 64 / 403	3.2
Sum, rounded to a whole point						1

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −80, −37, −54, −45, −39, −40, −33, −20, −4, 1 → −35.1
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 43 · 2016→2017: 17 · 2017→2018: 9 · 2018→2019: 6 · 2019→2022: 1 · 2022→2023: 7 · 2023→2024: 13 · 2024→2025: 16 · 2025→2026: 5 → average 13
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 13 × 2.66 = 34.6. Upper limit −0.5, lower limit −69.7.

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.