Central Language Academy (Data source)
Source data for Central Language Academy
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2008707 | 2368 | - | 2436 | = | -68 | * | (87 | / | 387) | = | -15.28682167 | ||
| 4 | 2008710 | 2386 | - | 2485 | = | -99 | * | (84 | / | 387) | = | -21.48837204 | ||
| 5 | 2008711 | 2451 | - | 2528 | = | -77 | * | (90 | / | 387) | = | -17.9069767 | ||
| 6 | 2008714 | 2454 | - | 2552 | = | -98 | * | (76 | / | 387) | = | -19.24547794 | ||
| 7 | 2008715 | 2475 | - | 2567 | = | -92 | * | (33 | / | 387) | = | -7.84496116 | ||
| 8 | 2008718 | 2549 | - | 2586 | = | -37 | * | (17 | / | 387) | = | -1.62532298 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Central Language Academy | -83 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 61785 | 2382 | - | 2436 | = | -54 | * | (84 | / | 392) | = | -11.57142856 | ||
| 4 | 61786 | 2416 | - | 2485 | = | -69 | * | (94 | / | 392) | = | -16.54591834 | ||
| 5 | 61788 | 2409 | - | 2528 | = | -119 | * | (79 | / | 392) | = | -23.98214283 | ||
| 6 | 61791 | 2468 | - | 2552 | = | -84 | * | (78 | / | 392) | = | -16.71428564 | ||
| 7 | 61792 | 2507 | - | 2567 | = | -60 | * | (29 | / | 392) | = | -4.43877546 | ||
| 8 | 61795 | 2478 | - | 2586 | = | -108 | * | (28 | / | 392) | = | -7.71428567 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Central Language Academy | -81 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 63574 | 2394 | - | 2436 | = | -42 | * | (92 | / | 382) | = | -10.11518323 | ||
| 4 | 63577 | 2413 | - | 2485 | = | -72 | * | (77 | / | 382) | = | -14.51308896 | ||
| 5 | 63579 | 2426 | - | 2528 | = | -102 | * | (82 | / | 382) | = | -21.89528787 | ||
| 6 | 63581 | 2456 | - | 2552 | = | -96 | * | (75 | / | 382) | = | -18.84816749 | ||
| 7 | 63583 | 2480 | - | 2567 | = | -87 | * | (29 | / | 382) | = | -6.60471201 | ||
| 8 | 63585 | 2527 | - | 2586 | = | -59 | * | (27 | / | 382) | = | -4.17015705 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Central Language Academy | -76 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 63678 | 2392 | - | 2436 | = | -44 | * | (96 | / | 390) | = | -10.83076922 | ||
| 4 | 63680 | 2441 | - | 2485 | = | -44 | * | (87 | / | 390) | = | -9.81538461 | ||
| 5 | 63682 | 2419 | - | 2528 | = | -109 | * | (71 | / | 390) | = | -19.84358974 | ||
| 6 | 63684 | 2472 | - | 2552 | = | -80 | * | (80 | / | 390) | = | -16.4102564 | ||
| 7 | 63686 | 2531 | - | 2567 | = | -36 | * | (32 | / | 390) | = | -2.95384615 | ||
| 8 | 63688 | 2557 | - | 2586 | = | -29 | * | (24 | / | 390) | = | -1.78461537 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Central Language Academy | -62 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 63950 | 2407 | - | 2436 | = | -29 | * | (92 | / | 413) | = | -6.46004841 | ||
| 4 | 63951 | 2439 | - | 2485 | = | -46 | * | (95 | / | 413) | = | -10.5811138 | ||
| 5 | 63952 | 2465 | - | 2528 | = | -63 | * | (87 | / | 413) | = | -13.27118644 | ||
| 6 | 63953 | 2490 | - | 2552 | = | -62 | * | (67 | / | 413) | = | -10.05811132 | ||
| 7 | 63954 | 2538 | - | 2567 | = | -29 | * | (40 | / | 413) | = | -2.8087167 | ||
| 8 | 63955 | 2583 | - | 2586 | = | -3 | * | (32 | / | 413) | = | -0.23244552 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Central Language Academy | -43 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -83 | -81 | -76 | -62 | -43 | -345.0 | -69.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -117.0
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 74% | 71% | 71% | 71% | 68% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ontario-Montclair school district | County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Central Language Academy math proficiency
Zero+ meets standard.
63% less $meal
63% less $meal
60% less $meal
62% less $meal
57% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.