Galileo Academy 101: math

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 math test uses one scale for every grade, so a score means the same thing in grade 3 as in grade 6.

All students

3rd The average 3rd grader scores 17 points under the grade 3 bar. 2419 vs. 2436.
4th The average 4th grader scores 22 points under the grade 4 bar. 2463 vs. 2485.
5th The average 5th grader scores 12 points under the grade 5 bar. 2516 vs. 2528.
6th The average 6th grader scores 11 points under the grade 6 bar. 2541 vs. 2552.

Students fluent in English

Math with English out of the way. Includes students who have only ever spoken English.

Grade bars 4th 89 students 19 points under the grade 4 bar.

English learners

Students leave this group as they become fluent, so its average stays low even where they learn well.

Grade bars 4th 13 students 46 points under the grade 4 bar.

the group's average that grade's own bar the distance between

2026 results. "Meets standard" is the state's mark for being on track for that grade. The state leaves out any group of ten students or fewer, so a grade may be missing from the charts.

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	68,514	2430.8	− 2436	−5.2	× 94 / 313	−1.6
4	68,517	2447.9	− 2485	−37.1	× 78 / 313	−9.2
5	68,518	2478.1	− 2528	−49.9	× 65 / 313	−10.4
6	68,521	2471.3	− 2552	−80.7	× 76 / 313	−19.6
Sum, rounded to a whole point						−41

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	63,472	2408.2	− 2436	−27.8	× 91 / 348	−7.3
4	63,474	2438.5	− 2485	−46.5	× 103 / 348	−13.8
5	63,476	2485.5	− 2528	−42.5	× 82 / 348	−10
6	63,478	2508.5	− 2552	−43.5	× 72 / 348	−9
Sum, rounded to a whole point						−40

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,262	2435.5	− 2436	−0.5	× 86 / 410	−0.1
4	65,263	2474.7	− 2485	−10.3	× 112 / 410	−2.8
5	65,266	2502.6	− 2528	−25.4	× 111 / 410	−6.9
6	65,267	2509.3	− 2552	−42.7	× 101 / 410	−10.5
Sum, rounded to a whole point						−20

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,347	2431.3	− 2436	−4.7	× 92 / 409	−1.1
4	65,350	2492.7	− 2485	7.7	× 101 / 409	1.9
5	65,351	2525.1	− 2528	−2.9	× 110 / 409	−0.8
6	65,353	2522.5	− 2552	−29.5	× 106 / 409	−7.6
Sum, rounded to a whole point						−8

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,733	2444.4	− 2436	8.4	× 107 / 427	2.1
4	65,734	2485.3	− 2485	0.3	× 103 / 427	0.1
5	65,735	2536.0	− 2528	8	× 107 / 427	2
6	65,736	2541.3	− 2552	−10.7	× 110 / 427	−2.8
Sum, rounded to a whole point						1

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,786	2402.6	− 2436	−33.4	× 98 / 395	−8.3
4	65,787	2429.2	− 2485	−55.8	× 97 / 395	−13.7
5	65,788	2519.5	− 2528	−8.5	× 101 / 395	−2.2
6	65,789	2517.3	− 2552	−34.7	× 99 / 395	−8.7
Sum, rounded to a whole point						−33

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,793	2427.7	− 2436	−8.3	× 94 / 397	−2
4	65,794	2442.8	− 2485	−42.2	× 107 / 397	−11.4
5	65,795	2502.6	− 2528	−25.4	× 93 / 397	−6
6	65,796	2545.2	− 2552	−6.8	× 103 / 397	−1.8
Sum, rounded to a whole point						−21

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,761	2425.4	− 2436	−10.6	× 99 / 417	−2.5
4	65,762	2459.6	− 2485	−25.4	× 104 / 417	−6.3
5	65,763	2501.7	− 2528	−26.3	× 109 / 417	−6.9
6	65,764	2533.9	− 2552	−18.1	× 105 / 417	−4.6
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	65,521	2440.2	− 2436	4.2	× 96 / 397	1
4	65,522	2470.0	− 2485	−15	× 101 / 397	−3.8
5	65,523	2523.3	− 2528	−4.7	× 97 / 397	−1.1
6	65,524	2523.8	− 2552	−28.2	× 103 / 397	−7.3
Sum, rounded to a whole point						−11

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	65,491	2419.2	− 2436	−16.8	× 100 / 411	−4.1
4	65,492	2462.7	− 2485	−22.3	× 102 / 411	−5.5
5	65,493	2516.3	− 2528	−11.7	× 102 / 411	−2.9
6	65,494	2540.7	− 2552	−11.3	× 107 / 411	−2.9
Sum, rounded to a whole point						−15

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −41, −40, −20, −8, 1, −33, −21, −20, −11, −15 → −20.8
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 1 · 2016→2017: 20 · 2017→2018: 12 · 2018→2019: 9 · 2019→2022: 34 · 2022→2023: 12 · 2023→2024: 1 · 2024→2025: 9 · 2025→2026: 4 → average 11.3
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 11.3 × 2.66 = 30.1. Upper limit 9.3, lower limit −50.9.

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 2014–15, 2015–16, 2016–17, 2017–18, 2018–19, 2020–21, 2021–22, 2022–23, 2023–24, 2024–25, 2025–26.