Ronald W. Reagan 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.

3rd The average 3rd grader meets the grade 3 bar. 2488 vs. 2436.
4th The average 4th grader meets the grade 4 bar. 2501 vs. 2485.
5th The average 5th grader meets the grade 5 bar. 2555 vs. 2528.
6th The average 6th grader scores just under the grade 6 bar. 2544 vs. 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	11,837	2416.6	− 2436	−19.4	× 74 / 224	−6.4
4	11,839	2442.3	− 2485	−42.7	× 80 / 224	−15.3
5	11,841	2449.3	− 2528	−78.7	× 70 / 224	−24.6
Sum, rounded to a whole point						−46

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	10,845	2459.8	− 2436	23.8	× 75 / 244	7.3
4	10,846	2463.7	− 2485	−21.3	× 88 / 244	−7.7
5	10,848	2466.1	− 2528	−61.9	× 81 / 244	−20.5
Sum, rounded to a whole point						−21

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	11,174	2445.1	− 2436	9.1	× 75 / 266	2.6
4	11,177	2476.2	− 2485	−8.8	× 100 / 266	−3.3
5	11,178	2472.0	− 2528	−56	× 91 / 266	−19.2
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	11,202	2454.2	− 2436	18.2	× 71 / 246	5.3
4	11,204	2470.7	− 2485	−14.3	× 78 / 246	−4.5
5	11,206	2488.0	− 2528	−40	× 97 / 246	−15.8
Sum, rounded to a whole point						−15

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	11,300	2459.1	− 2436	23.1	× 73 / 227	7.4
4	11,301	2475.9	− 2485	−9.1	× 71 / 227	−2.8
5	11,302	2476.5	− 2528	−51.5	× 83 / 227	−18.8
Sum, rounded to a whole point						−14

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	11,264	2440.1	− 2436	4.1	× 78 / 319	1
4	11,265	2487.1	− 2485	2.1	× 83 / 319	0.5
5	11,266	2480.4	− 2528	−47.6	× 85 / 319	−12.7
6	11,267	2517.1	− 2552	−34.9	× 73 / 319	−8
Sum, rounded to a whole point						−19

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	11,243	2428.3	− 2436	−7.7	× 65 / 323	−1.5
4	11,244	2481.2	− 2485	−3.8	× 83 / 323	−1
5	11,245	2516.6	− 2528	−11.4	× 87 / 323	−3.1
6	11,246	2506.0	− 2552	−46	× 88 / 323	−12.5
Sum, rounded to a whole point						−18

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	11,210	2484.1	− 2436	48.1	× 67 / 309	10.4
4	11,211	2465.7	− 2485	−19.3	× 66 / 309	−4.1
5	11,212	2504.1	− 2528	−23.9	× 87 / 309	−6.7
6	11,213	2537.5	− 2552	−14.5	× 89 / 309	−4.2
Sum, rounded to a whole point						−5

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	11,143	2473.1	− 2436	37.1	× 74 / 286	9.6
4	11,144	2526.3	− 2485	41.3	× 67 / 286	9.7
5	11,145	2513.3	− 2528	−14.7	× 62 / 286	−3.2
6	11,146	2560.1	− 2552	8.1	× 83 / 286	2.4
Sum, rounded to a whole point						18

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	11,175	2487.7	− 2436	51.7	× 47 / 242	10
4	11,176	2500.6	− 2485	15.6	× 67 / 242	4.3
5	11,177	2555.3	− 2528	27.3	× 65 / 242	7.3
6	11,178	2544.2	− 2552	−7.8	× 63 / 242	−2
Sum, rounded to a whole point						20

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −46, −21, −20, −15, −14, −19, −18, −5, 18, 20 → −12
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 25 · 2016→2017: 1 · 2017→2018: 5 · 2018→2019: 1 · 2019→2022: 5 · 2022→2023: 1 · 2023→2024: 13 · 2024→2025: 23 · 2025→2026: 2 → average 8.4
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 8.4 × 2.66 = 22.3. Upper limit 10.3, lower limit −34.3.

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.