Great Valley Academy - Salida: 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.

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.

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	93,046	2403.2	− 2432	−28.8	× 94 / 491	−5.5
4	93,049	2463.4	− 2473	−9.6	× 98 / 491	−1.9
5	93,050	2462.9	− 2502	−39.1	× 96 / 491	−7.6
6	93,052	2535.4	− 2531	4.4	× 96 / 491	0.9
7	93,054	2529.3	− 2552	−22.7	× 58 / 491	−2.7
8	93,057	2517.0	− 2567	−50	× 49 / 491	−5
Sum, rounded to a whole point						−22

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	93,247	2424.8	− 2432	−7.2	× 97 / 532	−1.3
4	93,250	2437.6	− 2473	−35.4	× 94 / 532	−6.3
5	93,251	2485.5	− 2502	−16.5	× 99 / 532	−3.1
6	93,254	2492.3	− 2531	−38.7	× 98 / 532	−7.1
7	93,255	2533.0	− 2552	−19	× 92 / 532	−3.3
8	93,258	2539.1	− 2567	−27.9	× 52 / 532	−2.7
Sum, rounded to a whole point						−24

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	93,890	2404.9	− 2432	−27.1	× 98 / 571	−4.7
4	93,891	2449.1	− 2473	−23.9	× 97 / 571	−4.1
5	93,892	2486.9	− 2502	−15.1	× 98 / 571	−2.6
6	93,893	2543.0	− 2531	12	× 99 / 571	2.1
7	93,894	2526.9	− 2552	−25.1	× 93 / 571	−4.1
8	93,895	2566.8	− 2567	−0.2	× 86 / 571	0
Sum, rounded to a whole point						−13

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	94,135	2451.2	− 2432	19.2	× 94 / 511	3.5
4	94,136	2465.5	− 2473	−7.5	× 86 / 511	−1.3
5	94,137	2491.9	− 2502	−10.1	× 86 / 511	−1.7
6	94,138	2516.5	− 2531	−14.5	× 87 / 511	−2.5
7	94,139	2554.6	− 2552	2.6	× 79 / 511	0.4
8	94,140	2560.1	− 2567	−6.9	× 79 / 511	−1.1
Sum, rounded to a whole point						−3

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	94,031	2401.5	− 2432	−30.5	× 96 / 550	−5.3
4	94,032	2484.5	− 2473	11.5	× 96 / 550	2
5	94,033	2483.5	− 2502	−18.5	× 92 / 550	−3.1
6	94,034	2500.7	− 2531	−30.3	× 98 / 550	−5.4
7	94,035	2528.1	− 2552	−23.9	× 91 / 550	−4
8	94,036	2546.9	− 2567	−20.1	× 77 / 550	−2.8
Sum, rounded to a whole point						−19

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	93,916	2408.4	− 2432	−23.6	× 97 / 572	−4
4	93,917	2439.3	− 2473	−33.7	× 92 / 572	−5.4
5	93,918	2477.5	− 2502	−24.5	× 96 / 572	−4.1
6	93,919	2498.4	− 2531	−32.6	× 97 / 572	−5.5
7	93,920	2509.1	− 2552	−42.9	× 99 / 572	−7.4
8	93,921	2552.7	− 2567	−14.3	× 91 / 572	−2.3
Sum, rounded to a whole point						−29

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	93,640	2387.5	− 2432	−44.5	× 97 / 569	−7.6
4	93,641	2463.8	− 2473	−9.2	× 98 / 569	−1.6
5	93,642	2467.9	− 2502	−34.1	× 92 / 569	−5.5
6	93,643	2491.6	− 2531	−39.4	× 93 / 569	−6.4
7	93,644	2484.9	− 2552	−67.1	× 95 / 569	−11.2
8	93,645	2533.0	− 2567	−34	× 94 / 569	−5.6
Sum, rounded to a whole point						−38

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −22, −24, −13, −3, −19, −29, −38 → −21.1
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2017→2018: 2 · 2018→2019: 11 · 2019→2022: 10 · 2022→2023: 16 · 2023→2024: 10 · 2024→2025: 9 → average 9.7
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 9.7 × 2.66 = 25.8. Upper limit 4.7, lower limit −46.9.

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