Shenandoah Valley (Data source)
Source data for Shenandoah Valley
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 |
||
| 4 | 126113 | 0 | - | 2485 | = | * | ( | / | ) | = | ||||
| 7 | 126116 | 2538 | - | 2567 | = | -29 | * | ( | / | ) | = | |||
| 8 | 126117 | 0 | - | 2586 | = | * | ( | / | ) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Shenandoah Valley | |||||||||||||
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 |
||
| 5 | 3558 | 0 | - | 2528 | = | * | ( | / | ) | = | ||||
| 7 | 3559 | 2506 | - | 2567 | = | -61 | * | ( | / | ) | = | |||
| 8 | 3562 | 2542 | - | 2586 | = | -44 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Shenandoah Valley | |||||||||||||
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 |
||
| 7 | 3637 | 2515 | - | 2567 | = | -52 | * | ( | / | ) | = | |||
| 8 | 3640 | 2536 | - | 2586 | = | -50 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Shenandoah Valley | |||||||||||||
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 |
||
| 7 | 3638 | 2505 | - | 2567 | = | -62 | * | ( | / | ) | = | |||
| 8 | 3639 | 2498 | - | 2586 | = | -88 | * | ( | / | ) | = | |||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Shenandoah Valley | |||||||||||||
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 |
||
| 7 | 3686 | 0 | - | 2567 | = | * | ( | / | ) | = | ||||
| 8 | 3687 | 0 | - | 2586 | = | * | ( | / | ) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Shenandoah Valley | |||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 0.0 | 0.0 |
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 | 29% | 43% | 30% | 30% | 49% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Amador County Office of Education school district County of Amador
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.