Pine Ridge: 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.

2015 from sb_ca2015_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	5,046	2388.2	− 2432	−43.8	× 46 / 344	−5.9
4	5,048	2404.4	− 2473	−68.6	× 45 / 344	−9
5	5,050	2436.0	− 2502	−66	× 42 / 344	−8.1
6	5,052	2470.5	− 2531	−60.5	× 79 / 344	−13.9
7	5,054	2513.7	− 2552	−38.3	× 71 / 344	−7.9
8	5,057	2538.3	− 2567	−28.7	× 61 / 344	−5.1
Sum, rounded to a whole point						−50

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	4,531	2409.6	− 2432	−22.4	× 32 / 293	−2.4
4	4,532	2389.3	− 2473	−83.7	× 45 / 293	−12.9
5	4,534	2454.9	− 2502	−47.1	× 37 / 293	−5.9
6	4,536	2449.2	− 2531	−81.8	× 53 / 293	−14.8
7	4,539	2496.1	− 2552	−55.9	× 61 / 293	−11.6
8	4,541	2542.4	− 2567	−24.6	× 65 / 293	−5.5
Sum, rounded to a whole point						−53

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	4,623	2402.6	− 2432	−29.4	× 44 / 310	−4.2
4	4,625	2410.6	− 2473	−62.4	× 38 / 310	−7.6
5	4,626	2432.7	− 2502	−69.3	× 53 / 310	−11.8
6	4,628	2442.5	− 2531	−88.5	× 63 / 310	−18
7	4,630	2501.7	− 2552	−50.3	× 52 / 310	−8.4
8	4,633	2532.9	− 2567	−34.1	× 60 / 310	−6.6
Sum, rounded to a whole point						−57

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	4,613	2403.6	− 2432	−28.4	× 37 / 319	−3.3
4	4,614	2401.5	− 2473	−71.5	× 45 / 319	−10.1
5	4,617	2417.1	− 2502	−84.9	× 39 / 319	−10.4
6	4,618	2463.3	− 2531	−67.7	× 83 / 319	−17.6
7	4,621	2454.9	− 2552	−97.1	× 60 / 319	−18.3
8	4,622	2513.0	− 2567	−54	× 55 / 319	−9.3
Sum, rounded to a whole point						−69

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	4,513	2337.4	− 2432	−94.6	× 27 / 82	−31.1
4	4,514	2367.5	− 2473	−105.5	× 22 / 82	−28.3
5	4,515	2471.5	− 2502	−30.5	× 14 / 82	−5.2
6	4,516	2462.4	− 2531	−68.6	× 19 / 82	−15.9
Sum, rounded to a whole point						−81

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	4,501	2386.0	− 2432	−46	× 23 / 83	−12.7
4	4,502	2427.3	− 2473	−45.7	× 18 / 83	−9.9
5	4,503	2424.1	− 2502	−77.9	× 24 / 83	−22.5
6	4,504	2465.1	− 2531	−65.9	× 18 / 83	−14.3
Sum, rounded to a whole point						−59

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	4,460	2337.8	− 2432	−94.2	× 12 / 63	−17.9
4	4,461	2444.2	− 2473	−28.8	× 18 / 63	−8.2
5	4,462	2487.1	− 2502	−14.9	× 16 / 63	−3.8
6	4,463	2429.5	− 2531	−101.5	× 17 / 63	−27.4
Sum, rounded to a whole point						−57

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	4,414	2382.5	− 2432	−49.5	× 28 / 71	−19.5
4	4,415	2396.2	− 2473	−76.8	× 14 / 71	−15.1
5	4,416	2470.3	− 2502	−31.7	× 18 / 71	−8
6	4,417	2484.8	− 2531	−46.2	× 11 / 71	−7.2
Sum, rounded to a whole point						−50

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −50, −53, −57, −69, −81, −59, −57, −50 → −59.5
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 3 · 2016→2017: 4 · 2017→2018: 12 · 2018→2022: 12 · 2022→2023: 22 · 2023→2024: 2 · 2024→2025: 7 → average 8.9
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 8.9 × 2.66 = 23.7. Upper limit −35.8, lower limit −83.2.

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.