Wilkerson Elementary (Data source)
Source data for Wilkerson 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 | 693068 | 2437 | - | 2436 | = | 1 | * | (77 | / | 314) | = | 0.24522293 | ||
| 4 | 693069 | 2468 | - | 2485 | = | -17 | * | (71 | / | 314) | = | -3.84394903 | ||
| 5 | 693072 | 2513 | - | 2528 | = | -15 | * | (87 | / | 314) | = | -4.15605095 | ||
| 6 | 693073 | 2532 | - | 2552 | = | -20 | * | (79 | / | 314) | = | -5.03184712 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wilkerson Elementary | -13 | ||||||||||||
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 | 21923 | 2415 | - | 2436 | = | -21 | * | (63 | / | 296) | = | -4.46959458 | ||
| 4 | 21925 | 2442 | - | 2485 | = | -43 | * | (76 | / | 296) | = | -11.04054051 | ||
| 5 | 21927 | 2468 | - | 2528 | = | -60 | * | (71 | / | 296) | = | -14.39189184 | ||
| 6 | 21929 | 2545 | - | 2552 | = | -7 | * | (86 | / | 296) | = | -2.03378378 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wilkerson Elementary | -32 | ||||||||||||
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 | 22340 | 2414 | - | 2436 | = | -22 | * | (57 | / | 255) | = | -4.91764704 | ||
| 4 | 22341 | 2448 | - | 2485 | = | -37 | * | (57 | / | 255) | = | -8.27058821 | ||
| 5 | 22344 | 2492 | - | 2528 | = | -36 | * | (74 | / | 255) | = | -10.44705881 | ||
| 6 | 22346 | 2509 | - | 2552 | = | -43 | * | (67 | / | 255) | = | -11.29803921 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wilkerson Elementary | -35 | ||||||||||||
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 | 22325 | 2435 | - | 2436 | = | -1 | * | (51 | / | 241) | = | -0.21161826 | ||
| 4 | 22326 | 2424 | - | 2485 | = | -61 | * | (54 | / | 241) | = | -13.66804979 | ||
| 5 | 22329 | 2478 | - | 2528 | = | -50 | * | (58 | / | 241) | = | -12.033195 | ||
| 6 | 22330 | 2534 | - | 2552 | = | -18 | * | (78 | / | 241) | = | -5.82572614 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wilkerson Elementary | -32 | ||||||||||||
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 | 22503 | 2411 | - | 2436 | = | -25 | * | (59 | / | 212) | = | -6.95754715 | ||
| 4 | 22504 | 2465 | - | 2485 | = | -20 | * | (50 | / | 212) | = | -4.71698112 | ||
| 5 | 22505 | 2455 | - | 2528 | = | -73 | * | (51 | / | 212) | = | -17.5613207 | ||
| 6 | 22506 | 2525 | - | 2552 | = | -27 | * | (52 | / | 212) | = | -6.62264149 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wilkerson Elementary | -36 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -13 | -32 | -35 | -32 | -36 | -148.0 | -29.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -2.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -56.6
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 | 96% | 96% | 95% | 96% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Monte City 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.
Wilkerson Elementary math proficiency
Zero+ meets standard.
91% less $meal
91% less $meal
90% less $meal
93% less $meal
87% 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.