California Elementary (Data source)
Source data for California Elementary
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 | 1139634 | 2416 | - | 2436 | = | -20 | * | (104 | / | 395) | = | -5.26582278 | ||
| 4 | 1139637 | 2430 | - | 2485 | = | -55 | * | (107 | / | 395) | = | -14.89873413 | ||
| 5 | 1139638 | 2459 | - | 2528 | = | -69 | * | (98 | / | 395) | = | -17.11898729 | ||
| 6 | 1139641 | 2522 | - | 2552 | = | -30 | * | (86 | / | 395) | = | -6.53164554 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for California Elementary | -44 | ||||||||||||
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 | 35487 | 2409 | - | 2436 | = | -27 | * | (101 | / | 380) | = | -7.17631577 | ||
| 4 | 35489 | 2453 | - | 2485 | = | -32 | * | (100 | / | 380) | = | -8.42105261 | ||
| 5 | 35492 | 2457 | - | 2528 | = | -71 | * | (104 | / | 380) | = | -19.43157891 | ||
| 6 | 35493 | 2528 | - | 2552 | = | -24 | * | (75 | / | 380) | = | -4.7368421 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for California Elementary | -40 | ||||||||||||
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 | 36191 | 2414 | - | 2436 | = | -22 | * | (84 | / | 368) | = | -5.02173912 | ||
| 4 | 36193 | 2419 | - | 2485 | = | -66 | * | (101 | / | 368) | = | -18.11413039 | ||
| 5 | 36196 | 2441 | - | 2528 | = | -87 | * | (96 | / | 368) | = | -22.69565216 | ||
| 6 | 36197 | 2537 | - | 2552 | = | -15 | * | (87 | / | 368) | = | -3.54619565 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for California Elementary | -49 | ||||||||||||
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 | 36177 | 2408 | - | 2436 | = | -28 | * | (83 | / | 349) | = | -6.65902577 | ||
| 4 | 36179 | 2480 | - | 2485 | = | -5 | * | (83 | / | 349) | = | -1.18911175 | ||
| 5 | 36181 | 2432 | - | 2528 | = | -96 | * | (96 | / | 349) | = | -26.40687677 | ||
| 6 | 36183 | 2540 | - | 2552 | = | -12 | * | (87 | / | 349) | = | -2.991404 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for California Elementary | -37 | ||||||||||||
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 | 36345 | 2425 | - | 2436 | = | -11 | * | (54 | / | 298) | = | -1.99328858 | ||
| 4 | 36346 | 2492 | - | 2485 | = | 7 | * | (82 | / | 298) | = | 1.9261745 | ||
| 5 | 36347 | 2472 | - | 2528 | = | -56 | * | (76 | / | 298) | = | -14.28187919 | ||
| 6 | 36348 | 2549 | - | 2552 | = | -3 | * | (86 | / | 298) | = | -0.86577181 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for California Elementary | -15 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -44 | -40 | -49 | -37 | -15 | -185.0 | -37.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 2.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.0
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 | 80% | 78% | 77% | 81% | 84% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
West Covina Unified school district | County of Los Angeles
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.
California Elementary math proficiency
Zero+ meets standard.
64% less $meal
62% less $meal
59% less $meal
71% less $meal
69% 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.
Elementary School (Public) schools in West Covina Unified (8)
| California Elementary | Cameron Elementary | Merced Elementary |
| Merlinda Elementary | Monte Vista Elementary | Orangewood Elementary |
| Vine Elementary | Wescove Elementary |