Willits Charter (Data source)
Source data for Willits Charter
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 |
||
6 | 1287414 | 2477 | - | 2552 | = | -75 | * | (24 | / | 81) | = | -22.2222222 | ||
7 | 1287415 | 2479 | - | 2567 | = | -88 | * | (25 | / | 81) | = | -27.1604938 | ||
8 | 1287418 | 2462 | - | 2586 | = | -124 | * | (21 | / | 81) | = | -32.14814812 | ||
11 | 1287419 | 2541 | - | 2628 | = | -87 | * | (11 | / | 81) | = | -11.8148148 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Willits Charter | -93 |
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 |
||
6 | 40315 | 2440 | - | 2552 | = | -112 | * | (22 | / | 78) | = | -31.58974358 | ||
7 | 40316 | 2499 | - | 2567 | = | -68 | * | (24 | / | 78) | = | -20.92307688 | ||
8 | 40319 | 2491 | - | 2586 | = | -95 | * | (23 | / | 78) | = | -28.01282043 | ||
11 | 40321 | 0 | - | 2628 | = | * | (9 | / | 78) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Willits Charter | -81 |
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 |
||
6 | 41323 | 2499 | - | 2552 | = | -53 | * | (21 | / | 80) | = | -13.9125 | ||
7 | 41325 | 2487 | - | 2567 | = | -80 | * | (23 | / | 80) | = | -23.0 | ||
8 | 41327 | 2495 | - | 2586 | = | -91 | * | (20 | / | 80) | = | -22.75 | ||
11 | 41330 | 2607 | - | 2628 | = | -21 | * | (16 | / | 80) | = | -4.2 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Willits Charter | -64 |
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 |
||
6 | 41347 | 2475 | - | 2552 | = | -77 | * | (24 | / | 76) | = | -24.31578942 | ||
7 | 41348 | 2501 | - | 2567 | = | -66 | * | (22 | / | 76) | = | -19.10526314 | ||
8 | 41351 | 2486 | - | 2586 | = | -100 | * | (24 | / | 76) | = | -31.5789473 | ||
11 | 41352 | 0 | - | 2628 | = | * | (0 | / | 76) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Willits Charter | -75 |
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 |
||
6 | 41489 | 2483 | - | 2552 | = | -69 | * | (23 | / | 80) | = | -19.8375 | ||
7 | 41490 | 2495 | - | 2567 | = | -72 | * | (26 | / | 80) | = | -23.4 | ||
8 | 41491 | 2530 | - | 2586 | = | -56 | * | (23 | / | 80) | = | -16.1 | ||
11 | 41492 | 0 | - | 2628 | = | * | (8 | / | 80) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Willits Charter | -59 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-93 | -81 | -64 | -75 | -59 | -372.0 | -74.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
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 | 70% | 74% | 66% | 70% | 68% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Willits Unified school district County of Mendocino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.