Will Rogers Elementary (Data source)
Source data for Will Rogers 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 | 3149414 | 2405 | - | 2436 | = | -31 | * | (87 | / | 222) | = | -12.14864862 | ||
| 4 | 3149415 | 2458 | - | 2485 | = | -27 | * | (69 | / | 222) | = | -8.39189187 | ||
| 5 | 3149418 | 2493 | - | 2528 | = | -35 | * | (66 | / | 222) | = | -10.4054054 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Will Rogers Elementary | -31 | ||||||||||||
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 | 97077 | 2403 | - | 2436 | = | -33 | * | (77 | / | 227) | = | -11.19383258 | ||
| 4 | 97079 | 2458 | - | 2485 | = | -27 | * | (88 | / | 227) | = | -10.46696035 | ||
| 5 | 97080 | 2469 | - | 2528 | = | -59 | * | (62 | / | 227) | = | -16.11453743 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Will Rogers Elementary | -38 | ||||||||||||
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 | 99888 | 2421 | - | 2436 | = | -15 | * | (95 | / | 251) | = | -5.67729083 | ||
| 4 | 99890 | 2459 | - | 2485 | = | -26 | * | (73 | / | 251) | = | -7.56175298 | ||
| 5 | 99891 | 2472 | - | 2528 | = | -56 | * | (83 | / | 251) | = | -18.51792824 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Will Rogers Elementary | -32 | ||||||||||||
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 | 100038 | 2421 | - | 2436 | = | -15 | * | (96 | / | 252) | = | -5.7142857 | ||
| 4 | 100041 | 2451 | - | 2485 | = | -34 | * | (84 | / | 252) | = | -11.33333332 | ||
| 5 | 100042 | 2454 | - | 2528 | = | -74 | * | (72 | / | 252) | = | -21.14285709 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Will Rogers Elementary | -38 | ||||||||||||
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 | 100703 | 2391 | - | 2436 | = | -45 | * | (79 | / | 255) | = | -13.94117645 | ||
| 4 | 100704 | 2441 | - | 2485 | = | -44 | * | (93 | / | 255) | = | -16.04705881 | ||
| 5 | 100705 | 2456 | - | 2528 | = | -72 | * | (83 | / | 255) | = | -23.43529411 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Will Rogers Elementary | -53 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -31 | -38 | -32 | -38 | -53 | -192.0 | -38.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -14.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.4
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 | 49% | 65% | 68% | 67% | 65% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ventura Unified school district | County of Ventura
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.
Will Rogers Elementary math proficiency
Zero+ meets standard.
44% less $meal
40% less $meal
41% less $meal
47% less $meal
43% 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.