Tres Pinos Elementary: 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.

6th The average 6th grader meets the grade 6 bar. 2535 vs. 2531.
7th The average 7th grader scores 14 points under the grade 6 bar. 2517 vs. 2531. The 7th-grade bar is 2552.
8th The average 8th grader meets the grade 8 bar. 2567 vs. 2567.

2019 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	64,010	2367.5	− 2432	−64.5	× 21 / 110	−12.3
4	64,013	2445.1	− 2473	−27.9	× 13 / 110	−3.3
5	64,015	2468.6	− 2502	−33.4	× 17 / 110	−5.2
6	64,017	2497.1	− 2531	−33.9	× 20 / 110	−6.2
7	64,018	2485.6	− 2552	−66.4	× 19 / 110	−11.5
8	64,020	2539.4	− 2567	−27.6	× 20 / 110	−5
Sum, rounded to a whole point						−43

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
4	59,363	2392.1	− 2473	−80.9	× 21 / 96	−17.7
5	59,365	2501.2	− 2502	−0.8	× 15 / 96	−0.1
6	59,367	2515.7	− 2531	−15.3	× 19 / 96	−3
7	59,369	2530.3	− 2552	−21.7	× 22 / 96	−5
8	59,372	2509.2	− 2567	−57.8	× 19 / 96	−11.4
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
4	61,108	2509.5	− 2473	36.5	× 13 / 87	5.5
5	61,111	2441.8	− 2502	−60.2	× 19 / 87	−13.1
6	61,113	2529.0	− 2531	−2	× 15 / 87	−0.3
7	61,114	2551.7	− 2552	−0.3	× 20 / 87	−0.1
8	61,117	2558.1	− 2567	−8.9	× 20 / 87	−2
Sum, rounded to a whole point						−10

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	61,222	2378.2	− 2432	−53.8	× 13 / 83	−8.4
5	61,226	2512.2	− 2502	10.2	× 13 / 83	1.6
6	61,227	2477.3	− 2531	−53.7	× 20 / 83	−12.9
7	61,230	2504.4	− 2552	−47.6	× 15 / 83	−8.6
8	61,231	2544.9	− 2567	−22.1	× 22 / 83	−5.9
Sum, rounded to a whole point						−34

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
6	61,461	2535.1	− 2531	4.1	× 11 / 47	1
7	61,462	2517.3	− 2552	−34.7	× 21 / 47	−15.5
8	61,463	2567.3	− 2567	0.3	× 15 / 47	0.1
Sum, rounded to a whole point						−14

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −43, −37, −10, −34, −14 → −27.6
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 6 · 2016→2017: 27 · 2017→2018: 24 · 2018→2019: 20 → average 19.3
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 19.3 × 2.66 = 51.3. Upper limit 23.7, lower limit −78.9.

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".

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.