Binkley Elementary Charter: 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.

3rd The average 3rd grader meets the grade 3 bar. 2448 vs. 2436.
4th The average 4th grader scores 11 points under the grade 4 bar. 2474 vs. 2485.
5th The average 5th grader scores 31 points under the grade 5 bar. 2497 vs. 2528.
6th The average 6th grader scores 19 points under the grade 5 bar. 2509 vs. 2528. The 6th-grade bar is 2552.

2026 results. "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	95,023	2423.7	− 2436	−12.3	× 67 / 245	−3.4
4	95,024	2476.1	− 2485	−8.9	× 57 / 245	−2.1
5	95,027	2488.4	− 2528	−39.6	× 64 / 245	−10.3
6	95,028	2511.6	− 2552	−40.4	× 57 / 245	−9.4
Sum, rounded to a whole point						−25

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	88,245	2444.7	− 2436	8.7	× 60 / 234	2.2
4	88,248	2455.0	− 2485	−30	× 63 / 234	−8.1
5	88,249	2493.4	− 2528	−34.6	× 51 / 234	−7.5
6	88,251	2506.2	− 2552	−45.8	× 60 / 234	−11.7
Sum, rounded to a whole point						−25

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	90,801	2436.5	− 2436	0.5	× 54 / 226	0.1
4	90,802	2469.5	− 2485	−15.5	× 55 / 226	−3.8
5	90,805	2492.6	− 2528	−35.4	× 64 / 226	−10
6	90,807	2518.8	− 2552	−33.2	× 53 / 226	−7.8
Sum, rounded to a whole point						−21

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	91,006	2454.1	− 2436	18.1	× 43 / 207	3.8
4	91,007	2470.8	− 2485	−14.2	× 52 / 207	−3.6
5	91,010	2510.4	− 2528	−17.6	× 48 / 207	−4.1
6	91,011	2511.2	− 2552	−40.8	× 64 / 207	−12.6
Sum, rounded to a whole point						−17

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	91,650	2446.8	− 2436	10.8	× 51 / 193	2.9
4	91,651	2486.0	− 2485	1	× 46 / 193	0.2
5	91,652	2518.6	− 2528	−9.4	× 44 / 193	−2.1
6	91,653	2524.2	− 2552	−27.8	× 52 / 193	−7.5
Sum, rounded to a whole point						−7

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	91,896	2423.4	− 2436	−12.6	× 47 / 194	−3.1
4	91,897	2474.6	− 2485	−10.4	× 55 / 194	−2.9
5	91,898	2505.1	− 2528	−22.9	× 48 / 194	−5.7
6	91,899	2529.8	− 2552	−22.2	× 44 / 194	−5
Sum, rounded to a whole point						−17

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	91,796	2417.2	− 2436	−18.8	× 46 / 189	−4.6
4	91,797	2459.0	− 2485	−26	× 41 / 189	−5.6
5	91,798	2472.8	− 2528	−55.2	× 57 / 189	−16.6
6	91,799	2512.7	− 2552	−39.3	× 45 / 189	−9.4
Sum, rounded to a whole point						−36

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	91,735	2418.7	− 2436	−17.3	× 47 / 191	−4.3
4	91,736	2463.5	− 2485	−21.5	× 47 / 191	−5.3
5	91,737	2485.1	− 2528	−42.9	× 42 / 191	−9.4
6	91,738	2508.3	− 2552	−43.7	× 55 / 191	−12.6
Sum, rounded to a whole point						−32

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	91,435	2427.9	− 2436	−8.1	× 46 / 176	−2.1
4	91,436	2478.0	− 2485	−7	× 46 / 176	−1.8
5	91,437	2497.6	− 2528	−30.4	× 43 / 176	−7.4
6	91,438	2530.8	− 2552	−21.2	× 41 / 176	−4.9
Sum, rounded to a whole point						−16

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	91,088	2448.4	− 2436	12.4	× 44 / 180	3
4	91,089	2474.0	− 2485	−11	× 48 / 180	−2.9
5	91,090	2496.6	− 2528	−31.4	× 43 / 180	−7.5
6	91,091	2508.9	− 2552	−43.1	× 45 / 180	−10.8
Sum, rounded to a whole point						−18

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −25, −25, −21, −17, −7, −17, −36, −32, −16, −18 → −21.4
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 0 · 2016→2017: 4 · 2017→2018: 4 · 2018→2019: 10 · 2019→2022: 10 · 2022→2023: 19 · 2023→2024: 4 · 2024→2025: 16 · 2025→2026: 2 → average 7.7
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 7.7 × 2.66 = 20.5. Upper limit −0.9, lower limit −41.9.

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.