Alderwood Elementary: 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.

Many students here are still learning English. The math test is written in English, with some translation help, and many of its questions are word problems. In 2026, 116 of the 448 students who took the math test were English learners.

All students

3rd The average 3rd grader meets the grade 3 bar. 2452 vs. 2436.
4th The average 4th grader meets the grade 4 bar. 2517 vs. 2485.
5th The average 5th grader meets the grade 5 bar. 2549 vs. 2528.
6th The average 6th grader meets the grade 6 bar. 2570 vs. 2552.

Students fluent in English

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

Grade bars 3rd 62 students Meets the grade 3 bar. 4th 83 students Meets the grade 4 bar. 5th 98 students Meets the grade 5 bar. 6th 89 students Meets the grade 6 bar.

English learners

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

Grade bars 3rd 37 students 21 points under the grade 3 bar. 4th 23 students 12 points under the grade 4 bar. 5th 30 students 27 points under the grade 5 bar. 6th 26 students 38 points under the grade 5 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	53,224	2486.3	− 2436	50.3	× 120 / 492	12.3
4	53,226	2544.2	− 2485	59.2	× 128 / 492	15.4
5	53,228	2561.3	− 2528	33.3	× 122 / 492	8.3
6	53,230	2606.9	− 2552	54.9	× 122 / 492	13.6
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	49,463	2495.1	− 2436	59.1	× 120 / 483	14.7
4	49,466	2525.0	− 2485	40	× 120 / 483	9.9
5	49,468	2569.1	− 2528	41.1	× 117 / 483	10
6	49,470	2603.6	− 2552	51.6	× 126 / 483	13.5
Sum, rounded to a whole point						48

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	50,828	2481.5	− 2436	45.5	× 131 / 489	12.2
4	50,829	2536.5	− 2485	51.5	× 113 / 489	11.9
5	50,831	2544.5	− 2528	16.5	× 129 / 489	4.4
6	50,833	2602.0	− 2552	50	× 116 / 489	11.9
Sum, rounded to a whole point						40

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	50,864	2486.3	− 2436	50.3	× 111 / 465	12
4	50,866	2535.7	− 2485	50.7	× 122 / 465	13.3
5	50,868	2567.8	− 2528	39.8	× 109 / 465	9.3
6	50,870	2586.0	− 2552	34	× 123 / 465	9
Sum, rounded to a whole point						44

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	51,071	2485.0	− 2436	49	× 119 / 437	13.3
4	51,072	2520.3	− 2485	35.3	× 102 / 437	8.2
5	51,073	2567.2	− 2528	39.2	× 120 / 437	10.8
6	51,074	2613.3	− 2552	61.3	× 96 / 437	13.5
Sum, rounded to a whole point						46

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	50,997	2486.8	− 2436	50.8	× 115 / 432	13.5
4	50,998	2515.8	− 2485	30.8	× 100 / 432	7.1
5	50,999	2562.5	− 2528	34.5	× 103 / 432	8.2
6	51,000	2579.9	− 2552	27.9	× 114 / 432	7.4
Sum, rounded to a whole point						36

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	50,963	2467.9	− 2436	31.9	× 114 / 454	8
4	50,964	2512.1	− 2485	27.1	× 118 / 454	7
5	50,965	2541.2	− 2528	13.2	× 113 / 454	3.3
6	50,966	2600.2	− 2552	48.2	× 109 / 454	11.6
Sum, rounded to a whole point						30

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	50,824	2460.9	− 2436	24.9	× 136 / 488	6.9
4	50,825	2517.7	− 2485	32.7	× 107 / 488	7.2
5	50,826	2535.8	− 2528	7.8	× 119 / 488	1.9
6	50,827	2580.3	− 2552	28.3	× 126 / 488	7.3
Sum, rounded to a whole point						23

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	50,586	2461.9	− 2436	25.9	× 109 / 460	6.1
4	50,587	2525.3	− 2485	40.3	× 127 / 460	11.1
5	50,588	2546.5	− 2528	18.5	× 108 / 460	4.3
6	50,589	2585.1	− 2552	33.1	× 116 / 460	8.3
Sum, rounded to a whole point						30

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	50,455	2452.3	− 2436	16.3	× 99 / 448	3.6
4	50,456	2517.0	− 2485	32	× 106 / 448	7.6
5	50,457	2548.9	− 2528	20.9	× 128 / 448	6
6	50,458	2570.2	− 2552	18.2	× 115 / 448	4.7
Sum, rounded to a whole point						22

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. 50, 48, 40, 44, 46, 36, 30, 23, 30, 22 → 36.9
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 2 · 2016→2017: 8 · 2017→2018: 4 · 2018→2019: 2 · 2019→2022: 10 · 2022→2023: 6 · 2023→2024: 7 · 2024→2025: 7 · 2025→2026: 8 → average 6
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 6 × 2.66 = 16. Upper limit 52.9, lower limit 20.9.

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.