Silverado Middle (Data source)
Source data for Silverado Middle
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 | 1597779 | 2529 | - | 2552 | = | -23 | * | (348 | / | 1120) | = | -7.14642856 | ||
| 7 | 1597780 | 2556 | - | 2567 | = | -11 | * | (395 | / | 1120) | = | -3.87946428 | ||
| 8 | 1597783 | 2586 | - | 2586 | = | 0 | * | (377 | / | 1120) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Silverado Middle | -11 | ||||||||||||
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 | 49981 | 2544 | - | 2552 | = | -8 | * | (354 | / | 1091) | = | -2.59578368 | ||
| 7 | 49983 | 2554 | - | 2567 | = | -13 | * | (342 | / | 1091) | = | -4.0751604 | ||
| 8 | 49985 | 2587 | - | 2586 | = | 1 | * | (395 | / | 1091) | = | 0.36205316 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Silverado Middle | -6 | ||||||||||||
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 | 51390 | 2548 | - | 2552 | = | -4 | * | (353 | / | 1063) | = | -1.32831608 | ||
| 7 | 51392 | 2560 | - | 2567 | = | -7 | * | (361 | / | 1063) | = | -2.37723424 | ||
| 8 | 51395 | 2588 | - | 2586 | = | 2 | * | (349 | / | 1063) | = | 0.65663217 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Silverado Middle | -3 | ||||||||||||
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 | 51419 | 2527 | - | 2552 | = | -25 | * | (337 | / | 1073) | = | -7.85181733 | ||
| 7 | 51420 | 2563 | - | 2567 | = | -4 | * | (363 | / | 1073) | = | -1.35321528 | ||
| 8 | 51423 | 2570 | - | 2586 | = | -16 | * | (373 | / | 1073) | = | -5.56197576 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Silverado Middle | -15 | ||||||||||||
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 | 51615 | 2560 | - | 2552 | = | 8 | * | (330 | / | 1025) | = | 2.57560975 | ||
| 7 | 51616 | 2566 | - | 2567 | = | -1 | * | (337 | / | 1025) | = | -0.32878049 | ||
| 8 | 51617 | 2597 | - | 2586 | = | 11 | * | (358 | / | 1025) | = | 3.84195121 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Silverado Middle | 6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -11 | -6 | -3 | -15 | 6 | -29.0 | -5.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 18.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -29.8
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 | 23% | 21% | 20% | 26% | 29% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Dry Creek Joint Elementary school district | County of Placer
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.
Silverado Middle math proficiency
Zero+ meets standard.
16% less $meal
16% less $meal
15% less $meal
20% less $meal
22% 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.
Intermediate/Middle Schools (Public) schools in Dry Creek Joint Elementary (2)
| Antelope Crossing Middle | Silverado Middle |