Wedgeworth Elementary (Data source)
Source data for Wedgeworth 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 | 1179427 | 2495 | - | 2436 | = | 59 | * | (61 | / | 161) | = | 22.35403723 | ||
| 4 | 1179430 | 2526 | - | 2485 | = | 41 | * | (64 | / | 161) | = | 16.29813661 | ||
| 5 | 1179431 | 2522 | - | 2528 | = | -6 | * | (36 | / | 161) | = | -1.3416149 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wedgeworth Elementary | 37 | ||||||||||||
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 | 36735 | 2482 | - | 2436 | = | 46 | * | (60 | / | 172) | = | 16.04651161 | ||
| 4 | 36738 | 2557 | - | 2485 | = | 72 | * | (59 | / | 172) | = | 24.69767436 | ||
| 5 | 36739 | 2566 | - | 2528 | = | 38 | * | (53 | / | 172) | = | 11.70930229 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wedgeworth Elementary | 52 | ||||||||||||
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 | 37502 | 2490 | - | 2436 | = | 54 | * | (87 | / | 204) | = | 23.02941175 | ||
| 4 | 37504 | 2524 | - | 2485 | = | 39 | * | (65 | / | 204) | = | 12.42647055 | ||
| 5 | 37506 | 2559 | - | 2528 | = | 31 | * | (52 | / | 204) | = | 7.90196076 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wedgeworth Elementary | 43 | ||||||||||||
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 | 37454 | 2494 | - | 2436 | = | 58 | * | (71 | / | 210) | = | 19.6095238 | ||
| 4 | 37456 | 2546 | - | 2485 | = | 61 | * | (81 | / | 210) | = | 23.52857139 | ||
| 5 | 37458 | 2569 | - | 2528 | = | 41 | * | (58 | / | 210) | = | 11.32380952 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wedgeworth Elementary | 54 | ||||||||||||
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 | 37658 | 2513 | - | 2436 | = | 77 | * | (75 | / | 218) | = | 26.49082567 | ||
| 4 | 37659 | 2523 | - | 2485 | = | 38 | * | (76 | / | 218) | = | 13.24770641 | ||
| 5 | 37660 | 2588 | - | 2528 | = | 60 | * | (67 | / | 218) | = | 18.44036694 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wedgeworth Elementary | 58 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 37 | 52 | 43 | 54 | 58 | 244.0 | 48.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 72.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 24.8
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 | 48% | 47% | 44% | 51% | 51% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hacienda la Puente 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.
Wedgeworth Elementary math proficiency
Zero+ meets standard.
35% less $meal
36% less $meal
32% less $meal
42% less $meal
41% 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.