Tree of Life International 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.

All students

3rd The average 3rd grader meets the grade 3 bar. 2452 vs. 2436.
4th The average 4th grader scores 19 points under the grade 4 bar. 2466 vs. 2485.
5th The average 5th grader scores just under the grade 4 bar. 2479 vs. 2485. The 5th-grade bar is 2528.
6th The average 6th grader scores 34 points under the grade 5 bar. 2494 vs. 2528. The 6th-grade bar is 2552.
7th The average 7th grader scores 36 points under the grade 5 bar. 2492 vs. 2528. The 7th-grade bar is 2567.
8th The average 8th grader scores 10 points under the grade 6 bar. 2542 vs. 2552. 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 36 students Meets the grade 3 bar. 4th 34 students Just under the grade 4 bar.

English learners

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

Grade bars 3rd 14 students 34 points under the grade 3 bar. 4th 15 students Just 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.

2018 from sb_ca2018_1_csv_v3.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	86,802	2423.1	− 2436	−12.9	× 12 / 25	−6.2
4	86,803	2489.5	− 2485	4.5	× 13 / 25	2.3
Sum, rounded to a whole point						−4

2019 from sb_ca2019_1_csv_v4.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	87,407	2424.2	− 2436	−11.8	× 22 / 49	−5.3
4	87,408	2459.9	− 2485	−25.1	× 14 / 49	−7.2
5	87,409	2522.6	− 2528	−5.4	× 13 / 49	−1.4
Sum, rounded to a whole point						−14

2021 from sb_ca2021_1_csv_v2.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	85,651	2442.1	− 2436	6.1	× 25 / 66	2.3
4	85,652	2462.9	− 2485	−22.1	× 19 / 66	−6.4
5	85,653	2466.5	− 2528	−61.5	× 22 / 66	−20.5
Sum, rounded to a whole point						−25

2022 from sb_ca2022_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	87,747	2436.3	− 2436	0.3	× 42 / 121	0.1
4	87,748	2488.8	− 2485	3.8	× 27 / 121	0.8
5	87,749	2494.7	− 2528	−33.3	× 18 / 121	−5
6	87,750	2529.4	− 2552	−22.6	× 22 / 121	−4.1
7	87,751	2523.2	− 2567	−43.8	× 12 / 121	−4.3
Sum, rounded to a whole point						−12

2023 from sb_ca2023_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	87,665	2432.2	− 2436	−3.8	× 43 / 161	−1
4	87,666	2463.3	− 2485	−21.7	× 38 / 161	−5.1
5	87,667	2495.0	− 2528	−33	× 26 / 161	−5.3
6	87,668	2494.2	− 2552	−57.8	× 21 / 161	−7.5
7	87,669	2492.9	− 2567	−74.1	× 22 / 161	−10.1
8	87,670	2501.5	− 2586	−84.5	× 11 / 161	−5.8
Sum, rounded to a whole point						−35

2024 from sb_ca2024_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	87,643	2448.9	− 2436	12.9	× 46 / 190	3.1
4	87,644	2437.1	− 2485	−47.9	× 41 / 190	−10.3
5	87,645	2487.8	− 2528	−40.2	× 37 / 190	−7.8
6	87,646	2522.6	− 2552	−29.4	× 24 / 190	−3.7
7	87,647	2482.5	− 2567	−84.5	× 22 / 190	−9.8
8	87,648	2511.3	− 2586	−74.7	× 20 / 190	−7.9
Sum, rounded to a whole point						−36

2025 from sb_ca2025_1_csv_v1.zip

Grade	Line in file	Average score	Standard Met	Distance	Students	Weighted
3	87,335	2440.9	− 2436	4.9	× 53 / 220	1.2
4	87,336	2490.9	− 2485	5.9	× 50 / 220	1.3
5	87,337	2478.7	− 2528	−49.3	× 42 / 220	−9.4
6	87,338	2507.6	− 2552	−44.4	× 33 / 220	−6.7
7	87,339	2564.1	− 2567	−2.9	× 21 / 220	−0.3
8	87,340	2544.0	− 2586	−42	× 21 / 220	−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	87,056	2452.0	− 2436	16	× 50 / 241	3.3
4	87,057	2465.9	− 2485	−19.1	× 49 / 241	−3.9
5	87,058	2478.8	− 2528	−49.2	× 46 / 241	−9.4
6	87,059	2493.6	− 2552	−58.4	× 41 / 241	−9.9
7	87,060	2491.6	− 2567	−75.4	× 35 / 241	−11
8	87,061	2542.0	− 2586	−44	× 20 / 241	−3.7
Sum, rounded to a whole point						−34

Step 2 · The average and the normal range

Average: add the yearly results and divide by how many there are. −4, −14, −25, −12, −35, −36, −18, −34 → −22.3
Typical year-to-year change: how far the result moved from each year to the next, ignoring up or down. 2018→2019: 10 · 2019→2021: 11 · 2021→2022: 13 · 2022→2023: 23 · 2023→2024: 1 · 2024→2025: 18 · 2025→2026: 16 → average 13.1
Normal range: multiply the typical change by 2.66, then add it to the average and subtract it. 13.1 × 2.66 = 34.8. Upper limit 12.5, lower limit −57.1.

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 2017–18, 2018–19, 2020–21, 2021–22, 2022–23, 2023–24, 2024–25, 2025–26.