West Orange Elementary (Data source)
Source data for West Orange 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 | 1517173 | 2417 | - | 2436 | = | -19 | * | (60 | / | 214) | = | -5.32710279 | ||
| 4 | 1517174 | 2447 | - | 2485 | = | -38 | * | (81 | / | 214) | = | -14.38317754 | ||
| 5 | 1517177 | 2459 | - | 2528 | = | -69 | * | (73 | / | 214) | = | -23.53738316 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for West Orange Elementary | -43 | ||||||||||||
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 | 47547 | 2409 | - | 2436 | = | -27 | * | (69 | / | 202) | = | -9.22277227 | ||
| 4 | 47549 | 2440 | - | 2485 | = | -45 | * | (63 | / | 202) | = | -14.03465346 | ||
| 5 | 47551 | 2483 | - | 2528 | = | -45 | * | (70 | / | 202) | = | -15.59405939 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for West Orange Elementary | -39 | ||||||||||||
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 | 48841 | 2433 | - | 2436 | = | -3 | * | (79 | / | 199) | = | -1.19095477 | ||
| 4 | 48842 | 2428 | - | 2485 | = | -57 | * | (64 | / | 199) | = | -18.33165828 | ||
| 5 | 48845 | 2492 | - | 2528 | = | -36 | * | (56 | / | 199) | = | -10.13065326 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for West Orange Elementary | -30 | ||||||||||||
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 | 48863 | 2438 | - | 2436 | = | 2 | * | (55 | / | 192) | = | 0.57291667 | ||
| 4 | 48865 | 2471 | - | 2485 | = | -14 | * | (80 | / | 192) | = | -5.83333332 | ||
| 5 | 48867 | 2468 | - | 2528 | = | -60 | * | (57 | / | 192) | = | -17.8125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for West Orange Elementary | -23 | ||||||||||||
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 | 49061 | 2441 | - | 2436 | = | 5 | * | (56 | / | 186) | = | 1.50537634 | ||
| 4 | 49062 | 2466 | - | 2485 | = | -19 | * | (53 | / | 186) | = | -5.41397848 | ||
| 5 | 49063 | 2506 | - | 2528 | = | -22 | * | (77 | / | 186) | = | -9.10752687 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for West Orange Elementary | -13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -43 | -39 | -30 | -23 | -13 | -148.0 | -29.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 6.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.6
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 | 71% | 67% | 68% | 74% | 75% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Orange Unified school district | County of Orange
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.
West Orange Elementary math proficiency
Zero+ meets standard.
59% less $meal
58% less $meal
59% less $meal
65% less $meal
65% 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.