Harriet Tubman Village 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 8.

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, 67 of the 261 students who took the math test were English learners.

All students

3rd The average 3rd grader scores 93 points under the grade 3 bar. 2343 vs. 2436.
4th The average 4th grader scores 22 points under the grade 3 bar. 2414 vs. 2436. The 4th-grade bar is 2485.
5th The average 5th grader scores 46 points under the grade 4 bar. 2439 vs. 2485. The 5th-grade bar is 2528.
6th The average 6th grader scores 18 points under the grade 3 bar. 2418 vs. 2436. The 6th-grade bar is 2552.
7th The average 7th grader scores 41 points under the grade 5 bar. 2487 vs. 2528. The 7th-grade bar is 2567.
8th The average 8th grader scores 20 points under the grade 5 bar. 2508 vs. 2528. The 8th-grade bar is 2586.

Students fluent in English

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

Grade bars 3rd 29 students 69 points under the grade 3 bar. 4th 26 students 20 points under the grade 3 bar. 6th 29 students 12 points under the grade 3 bar. 7th 36 students 18 points under the grade 5 bar.

English learners

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

Grade bars 3rd 12 students 142 points under the grade 3 bar. 4th 13 students 25 points under the grade 3 bar. 6th 16 students 28 points under the grade 3 bar. 7th 11 students 26 points under the grade 3 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	74,597	2377.2	− 2436	−58.8	× 36 / 232	−9.1
4	74,598	2464.3	− 2485	−20.7	× 42 / 232	−3.7
5	74,601	2493.5	− 2528	−34.5	× 36 / 232	−5.4
6	74,602	2455.8	− 2552	−96.2	× 31 / 232	−12.9
7	74,605	2470.0	− 2567	−97	× 51 / 232	−21.3
8	74,606	2505.8	− 2586	−80.2	× 36 / 232	−12.4
Sum, rounded to a whole point						−65

2016 from sb_ca2016_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	69,303	2423.3	− 2436	−12.7	× 46 / 250	−2.3
4	69,304	2447.8	− 2485	−37.2	× 36 / 250	−5.4
5	69,307	2508.1	− 2528	−19.9	× 45 / 250	−3.6
6	69,308	2524.2	− 2552	−27.8	× 45 / 250	−5
7	69,311	2470.3	− 2567	−96.7	× 32 / 250	−12.4
8	69,312	2492.8	− 2586	−93.2	× 46 / 250	−17.1
Sum, rounded to a whole point						−46

2017 from sb_ca2017_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,135	2419.1	− 2436	−16.9	× 39 / 237	−2.8
4	71,138	2450.8	− 2485	−34.2	× 46 / 237	−6.6
5	71,139	2486.9	− 2528	−41.1	× 36 / 237	−6.2
6	71,142	2516.5	− 2552	−35.5	× 44 / 237	−6.6
7	71,144	2502.1	− 2567	−64.9	× 43 / 237	−11.8
8	71,146	2475.4	− 2586	−110.6	× 29 / 237	−13.5
Sum, rounded to a whole point						−48

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,281	2397.4	− 2436	−38.6	× 51 / 291	−6.8
4	71,282	2473.1	− 2485	−11.9	× 36 / 291	−1.5
5	71,285	2471.5	− 2528	−56.5	× 51 / 291	−9.9
6	71,286	2461.9	− 2552	−90.1	× 50 / 291	−15.5
7	71,289	2472.1	− 2567	−94.9	× 52 / 291	−17
8	71,290	2490.4	− 2586	−95.6	× 51 / 291	−16.8
Sum, rounded to a whole point						−67

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,771	2426.6	− 2436	−9.4	× 34 / 285	−1.1
4	71,772	2447.2	− 2485	−37.8	× 50 / 285	−6.6
5	71,773	2505.6	− 2528	−22.4	× 36 / 285	−2.8
6	71,774	2485.7	− 2552	−66.3	× 65 / 285	−15.1
7	71,775	2482.1	− 2567	−84.9	× 49 / 285	−14.6
8	71,776	2481.8	− 2586	−104.2	× 51 / 285	−18.6
Sum, rounded to a whole point						−59

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,857	2383.6	− 2436	−52.4	× 38 / 266	−7.5
4	71,858	2433.9	− 2485	−51.1	× 47 / 266	−9
5	71,859	2445.5	− 2528	−82.5	× 44 / 266	−13.6
6	71,860	2434.9	− 2552	−117.1	× 46 / 266	−20.3
7	71,861	2477.6	− 2567	−89.4	× 45 / 266	−15.1
8	71,862	2465.4	− 2586	−120.6	× 46 / 266	−20.9
Sum, rounded to a whole point						−86

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,851	2338.0	− 2436	−98	× 51 / 279	−17.9
4	71,852	2439.0	− 2485	−46	× 38 / 279	−6.3
5	71,853	2465.3	− 2528	−62.7	× 52 / 279	−11.7
6	71,854	2435.6	− 2552	−116.4	× 53 / 279	−22.1
7	71,855	2448.9	− 2567	−118.1	× 40 / 279	−16.9
8	71,856	2499.7	− 2586	−86.3	× 45 / 279	−13.9
Sum, rounded to a whole point						−89

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,833	2415.2	− 2436	−20.8	× 40 / 270	−3.1
4	71,834	2417.3	− 2485	−67.7	× 48 / 270	−12
5	71,835	2440.0	− 2528	−88	× 43 / 270	−14
6	71,836	2442.6	− 2552	−109.4	× 47 / 270	−19
7	71,837	2462.7	− 2567	−104.3	× 54 / 270	−20.9
8	71,838	2490.7	− 2586	−95.3	× 38 / 270	−13.4
Sum, rounded to a whole point						−82

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,549	2370.8	− 2436	−65.2	× 48 / 291	−10.8
4	71,550	2441.2	− 2485	−43.8	× 45 / 291	−6.8
5	71,551	2441.0	− 2528	−87	× 49 / 291	−14.6
6	71,552	2455.9	− 2552	−96.1	× 50 / 291	−16.5
7	71,553	2468.3	− 2567	−98.7	× 46 / 291	−15.6
8	71,554	2460.2	− 2586	−125.8	× 53 / 291	−22.9
Sum, rounded to a whole point						−87

2026 from sb_ca2026_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	71,562	2343.3	− 2436	−92.7	× 42 / 261	−14.9
4	71,563	2414.3	− 2485	−70.7	× 39 / 261	−10.6
5	71,564	2439.0	− 2528	−89	× 49 / 261	−16.7
6	71,565	2418.0	− 2552	−134	× 45 / 261	−23.1
7	71,566	2486.7	− 2567	−80.3	× 47 / 261	−14.5
8	71,567	2507.8	− 2586	−78.2	× 39 / 261	−11.7
Sum, rounded to a whole point						−91

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −65, −46, −48, −67, −59, −86, −89, −82, −87, −91 → −72
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2015→2016: 19 · 2016→2017: 2 · 2017→2018: 19 · 2018→2019: 8 · 2019→2022: 27 · 2022→2023: 3 · 2023→2024: 7 · 2024→2025: 5 · 2025→2026: 4 → average 10.4
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 10.4 × 2.66 = 27.7. Upper limit −44.3, lower limit −99.7.

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.