Wilson Alternative (Data source)
Source data for Wilson Alternative
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 |
||
| 7 | 2719241 | 0 | - | 2567 | = | * | (6 | / | 48) | = | ||||
| 8 | 2719244 | 0 | - | 2586 | = | * | (4 | / | 48) | = | ||||
| 11 | 2719245 | 2477 | - | 2628 | = | -151 | * | (38 | / | 48) | = | -119.54166657 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wilson Alternative | -120 | ||||||||||||
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 |
||
| 7 | 82742 | 0 | - | 2567 | = | * | (6 | / | 32) | = | ||||
| 8 | 82745 | 0 | - | 2586 | = | * | (6 | / | 32) | = | ||||
| 11 | 82747 | 2490 | - | 2628 | = | -138 | * | (20 | / | 32) | = | -86.25 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wilson Alternative | -86 | ||||||||||||
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 | 85038 | 0 | - | 2567 | = | * | (0 | / | 27) | = | ||||
| 8 | 85040 | 0 | - | 2586 | = | * | (0 | / | 27) | = | ||||
| 11 | 85043 | 2487 | - | 2628 | = | -141 | * | (17 | / | 27) | = | -88.77777769 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wilson Alternative | -89 | ||||||||||||
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 | 85259 | 0 | - | 2567 | = | * | (0 | / | 41) | = | ||||
| 8 | 85261 | 0 | - | 2586 | = | * | (0 | / | 41) | = | ||||
| 11 | 85263 | 2484 | - | 2628 | = | -144 | * | (31 | / | 41) | = | -108.87804864 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wilson Alternative | -109 | ||||||||||||
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 | 85856 | 0 | - | 2567 | = | * | (4 | / | 48) | = | ||||
| 8 | 85857 | 0 | - | 2586 | = | * | (8 | / | 48) | = | ||||
| 11 | 85858 | 2506 | - | 2628 | = | -122 | * | (36 | / | 48) | = | -91.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wilson Alternative | -92 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -120 | -86 | -89 | -109 | -92 | -496.0 | -99.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -57.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -141.2
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 | 45% | 54% | 47% | 64% | 54% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Clara Unified school district | County of Santa Clara
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.
Wilson Alternative math proficiency
Zero+ meets standard.
41% less $meal
49% less $meal
42% less $meal
55% less $meal
50% 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.
Alternative Schools of Choice schools in Santa Clara Unified (2)
| Mission Early College High | Wilson Alternative |