Riverside Preparatory: 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 11.

All students

3rd The average 3rd grader scores 34 points under the grade 3 bar. 2402 vs. 2436.
4th The average 4th grader scores 35 points under the grade 3 bar. 2401 vs. 2436. The 4th-grade bar is 2485.
5th The average 5th grader scores just under the grade 3 bar. 2433 vs. 2436. The 5th-grade bar is 2528.
6th The average 6th grader scores 12 points under the grade 4 bar. 2473 vs. 2485. The 6th-grade bar is 2552.
7th The average 7th grader scores 32 points under the grade 4 bar. 2453 vs. 2485. The 7th-grade bar is 2567.
8th The average 8th grader scores 22 points under the grade 4 bar. 2463 vs. 2485. The 8th-grade bar is 2586.
11th The average 11th grader scores just under the grade 5 bar. 2523 vs. 2528. The 11th-grade bar is 2628.

Students fluent in English

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

Grade bars 3rd 104 students 34 points under the grade 3 bar. 5th 135 students Just under the grade 3 bar. 6th 172 students Just under the grade 4 bar. 7th 240 students 25 points under the grade 4 bar. 8th 241 students 17 points under the grade 4 bar. 11th 194 students 21 points under 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 16 students 32 points under the grade 3 bar. 5th 14 students Just under the grade 3 bar. 6th 16 students Just under the grade 3 bar. 7th 27 students 42 points under the grade 3 bar. 8th 37 students Just under the grade 3 bar. 11th 26 students 25 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	66,913	2409.6	− 2436	−26.4	× 157 / 1297	−3.2
4	66,914	2445.0	− 2485	−40	× 154 / 1297	−4.7
5	66,916	2449.2	− 2528	−78.8	× 160 / 1297	−9.7
6	66,918	2489.9	− 2552	−62.1	× 202 / 1297	−9.7
7	66,920	2482.9	− 2567	−84.1	× 236 / 1297	−15.3
8	66,923	2472.7	− 2586	−113.3	× 215 / 1297	−18.8
11	66,924	2554.6	− 2628	−73.4	× 173 / 1297	−9.8
Sum, rounded to a whole point						−71

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	62,068	2407.7	− 2436	−28.3	× 169 / 1309	−3.7
4	62,069	2439.1	− 2485	−45.9	× 152 / 1309	−5.3
5	62,071	2484.3	− 2528	−43.7	× 157 / 1309	−5.2
6	62,073	2475.9	− 2552	−76.1	× 200 / 1309	−11.6
7	62,075	2483.3	− 2567	−83.7	× 245 / 1309	−15.7
8	62,077	2485.6	− 2586	−100.4	× 243 / 1309	−18.6
11	62,079	2543.1	− 2628	−84.9	× 143 / 1309	−9.3
Sum, rounded to a whole point						−69

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	63,853	2393.7	− 2436	−42.3	× 159 / 1274	−5.3
4	63,855	2436.2	− 2485	−48.8	× 166 / 1274	−6.4
5	63,858	2472.8	− 2528	−55.2	× 151 / 1274	−6.5
6	63,860	2466.1	− 2552	−85.9	× 186 / 1274	−12.5
7	63,861	2468.8	− 2567	−98.2	× 245 / 1274	−18.9
8	63,864	2486.7	− 2586	−99.3	× 237 / 1274	−18.5
11	63,865	2553.8	− 2628	−74.2	× 130 / 1274	−7.6
Sum, rounded to a whole point						−76

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	63,959	2396.0	− 2436	−40	× 160 / 1271	−5
4	63,960	2427.5	− 2485	−57.5	× 159 / 1271	−7.2
5	63,963	2469.0	− 2528	−59	× 169 / 1271	−7.8
6	63,964	2451.1	− 2552	−100.9	× 180 / 1271	−14.3
7	63,967	2459.5	− 2567	−107.5	× 240 / 1271	−20.3
8	63,968	2464.1	− 2586	−121.9	× 235 / 1271	−22.5
11	63,971	2553.8	− 2628	−74.2	× 128 / 1271	−7.5
Sum, rounded to a whole point						−85

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	64,218	2403.8	− 2436	−32.2	× 154 / 1313	−3.8
4	64,219	2459.4	− 2485	−25.6	× 163 / 1313	−3.2
5	64,220	2481.7	− 2528	−46.3	× 156 / 1313	−5.5
6	64,221	2451.6	− 2552	−100.4	× 190 / 1313	−14.5
7	64,222	2458.7	− 2567	−108.3	× 256 / 1313	−21.1
8	64,223	2486.3	− 2586	−99.7	× 246 / 1313	−18.7
11	64,224	2537.3	− 2628	−90.7	× 148 / 1313	−10.2
Sum, rounded to a whole point						−77

2021 from sb_ca2021_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
11	62,837	2496.4	− 2628	−131.6	× 91 / 91	−131.6
Sum, rounded to a whole point						−132

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	64,291	2370.8	− 2436	−65.2	× 161 / 1371	−7.7
4	64,292	2404.0	− 2485	−81	× 187 / 1371	−11
5	64,293	2432.3	− 2528	−95.7	× 172 / 1371	−12
6	64,294	2435.0	− 2552	−117	× 180 / 1371	−15.4
7	64,295	2456.4	− 2567	−110.6	× 253 / 1371	−20.4
8	64,296	2454.7	− 2586	−131.3	× 246 / 1371	−23.6
11	64,297	2488.6	− 2628	−139.4	× 172 / 1371	−17.5
Sum, rounded to a whole point						−108

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	64,274	2382.1	− 2436	−53.9	× 129 / 1375	−5.1
4	64,275	2416.1	− 2485	−68.9	× 165 / 1375	−8.3
5	64,276	2441.7	− 2528	−86.3	× 186 / 1375	−11.7
6	64,277	2446.4	− 2552	−105.6	× 177 / 1375	−13.6
7	64,278	2441.4	− 2567	−125.6	× 266 / 1375	−24.3
8	64,279	2453.3	− 2586	−132.7	× 265 / 1375	−25.6
11	64,280	2477.9	− 2628	−150.1	× 187 / 1375	−20.4
Sum, rounded to a whole point						−109

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	64,248	2370.8	− 2436	−65.2	× 122 / 1339	−5.9
4	64,249	2424.1	− 2485	−60.9	× 137 / 1339	−6.2
5	64,250	2436.7	− 2528	−91.3	× 165 / 1339	−11.3
6	64,251	2438.0	− 2552	−114	× 193 / 1339	−16.4
7	64,252	2448.5	− 2567	−118.5	× 262 / 1339	−23.2
8	64,253	2437.7	− 2586	−148.3	× 275 / 1339	−30.5
11	64,254	2488.3	− 2628	−139.7	× 185 / 1339	−19.3
Sum, rounded to a whole point						−113

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	64,012	2378.3	− 2436	−57.7	× 129 / 1334	−5.6
4	64,013	2419.0	− 2485	−66	× 122 / 1334	−6
5	64,014	2450.3	− 2528	−77.7	× 165 / 1334	−9.6
6	64,015	2457.8	− 2552	−94.2	× 191 / 1334	−13.5
7	64,016	2461.9	− 2567	−105.1	× 262 / 1334	−20.6
8	64,017	2472.9	− 2586	−113.1	× 259 / 1334	−22
11	64,018	2518.7	− 2628	−109.3	× 206 / 1334	−16.9
Sum, rounded to a whole point						−94

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	63,984	2402.4	− 2436	−33.6	× 120 / 1361	−3
4	63,985	2400.9	− 2485	−84.1	× 139 / 1361	−8.6
5	63,986	2433.2	− 2528	−94.8	× 149 / 1361	−10.4
6	63,987	2472.6	− 2552	−79.4	× 188 / 1361	−11
7	63,988	2453.2	− 2567	−113.8	× 267 / 1361	−22.3
8	63,989	2463.2	− 2586	−122.8	× 278 / 1361	−25.1
11	63,990	2522.9	− 2628	−105.1	× 220 / 1361	−17
Sum, rounded to a whole point						−97

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −71, −69, −76, −85, −77, −132, −108, −109, −113, −94, −97 → −93.7
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: 7 · 2017→2018: 9 · 2018→2019: 8 · 2019→2021: 55 · 2021→2022: 24 · 2022→2023: 1 · 2023→2024: 4 · 2024→2025: 19 · 2025→2026: 3 → average 13.2
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 13.2 × 2.66 = 35.1. Upper limit −58.6, lower limit −128.8.

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.