Silverado High (Data source)
Source data for Silverado High
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 |
||
| 11 | 2072982 | 2511 | - | 2628 | = | -117 | * | (393 | / | 393) | = | -117.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Silverado High | -117 | ||||||||||||
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 |
||
| 8 | 63682 | 0 | - | 2586 | = | * | (0 | / | 496) | = | ||||
| 11 | 63684 | 2506 | - | 2628 | = | -122 | * | (496 | / | 496) | = | -122.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Silverado High | -122 | ||||||||||||
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 |
||
| 11 | 65473 | 2496 | - | 2628 | = | -132 | * | (519 | / | 519) | = | -132.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Silverado High | -132 | ||||||||||||
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 |
||
| 11 | 65556 | 2487 | - | 2628 | = | -141 | * | (506 | / | 506) | = | -141.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Silverado High | -141 | ||||||||||||
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 |
||
| 11 | 65945 | 2473 | - | 2628 | = | -155 | * | (537 | / | 537) | = | -155.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Silverado High | -155 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -117 | -122 | -132 | -141 | -155 | -667.0 | -133.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -88.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -178.4
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 | 81% | 78% | 81% | 82% | 80% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Victor Valley Union High school district County of San Bernardino
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.
Silverado High math proficiency
Zero+ meets standard.
71% less $meal
69% less $meal
69% less $meal
73% less $meal
73% 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.
High Schools (Public) schools in Victor Valley Union High (6)
| Adelanto High | Cobalt Institute of Math and Science Academy | Lakeview Leadership Academy |
| Silverado High | University Preparatory | Victor Valley High |