River Charter Schools Lighthouse Charter (Data source)
Source data for River Charter Schools Lighthouse Charter
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 | 100817 | 2388 | - | 2436 | = | -48 | * | (19 | / | 19) | = | -48.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for River Charter Schools Lighthouse Charter | -48 | ||||||||||||
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 | 100965 | 2439 | - | 2436 | = | 3 | * | (26 | / | 39) | = | 2.0 | ||
| 4 | 100967 | 2467 | - | 2485 | = | -18 | * | (13 | / | 39) | = | -5.99999999 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for River Charter Schools Lighthouse Charter | -4 | ||||||||||||
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 | 101612 | 2454 | - | 2436 | = | 18 | * | (45 | / | 131) | = | 6.1832061 | ||
| 4 | 101613 | 2441 | - | 2485 | = | -44 | * | (31 | / | 131) | = | -10.41221372 | ||
| 5 | 101614 | 2436 | - | 2528 | = | -92 | * | (32 | / | 131) | = | -22.47328243 | ||
| 6 | 101615 | 2508 | - | 2552 | = | -44 | * | (23 | / | 131) | = | -7.72519084 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for River Charter Schools Lighthouse Charter | -34 | ||||||||||||
Last steps
Compute the average
| 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|
| -48 | -4 | -34 | -86.0 | -28.7 |
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:
| 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|
| Percent | 35% | 33% | 22% | 43% |
| Data source | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Washington Unified school district | County of Yolo
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.
Elementary School (Public) schools in Washington Unified (7)
| Bridgeway Island Elementary | Elkhorn Village Elementary | Riverbank Elementary |
| Southport Elementary | Stonegate Elementary | Westfield Village Elementary |
| Westmore Oaks Elementary |