Cherry Chase Elementary (Data source)
Source data for Cherry Chase Elementary
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 |
||
| 3 | 2728541 | 2517 | - | 2436 | = | 81 | * | (142 | / | 428) | = | 26.8738317 | ||
| 4 | 2728542 | 2550 | - | 2485 | = | 65 | * | (139 | / | 428) | = | 21.10981308 | ||
| 5 | 2728545 | 2593 | - | 2528 | = | 65 | * | (147 | / | 428) | = | 22.3247663 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cherry Chase Elementary | 70 | ||||||||||||
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 |
||
| 3 | 82986 | 2511 | - | 2436 | = | 75 | * | (144 | / | 422) | = | 25.59241703 | ||
| 4 | 82989 | 2557 | - | 2485 | = | 72 | * | (143 | / | 422) | = | 24.39810425 | ||
| 5 | 82990 | 2595 | - | 2528 | = | 67 | * | (135 | / | 422) | = | 21.43364927 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cherry Chase Elementary | 71 | ||||||||||||
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 | 85309 | 2520 | - | 2436 | = | 84 | * | (148 | / | 416) | = | 29.88461532 | ||
| 4 | 85311 | 2542 | - | 2485 | = | 57 | * | (134 | / | 416) | = | 18.36057689 | ||
| 5 | 85313 | 2599 | - | 2528 | = | 71 | * | (134 | / | 416) | = | 22.87019226 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cherry Chase Elementary | 71 | ||||||||||||
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 | 85529 | 2525 | - | 2436 | = | 89 | * | (147 | / | 425) | = | 30.78352933 | ||
| 4 | 85530 | 2565 | - | 2485 | = | 80 | * | (146 | / | 425) | = | 27.48235288 | ||
| 5 | 85533 | 2583 | - | 2528 | = | 55 | * | (132 | / | 425) | = | 17.08235293 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cherry Chase Elementary | 75 | ||||||||||||
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 | 86118 | 2509 | - | 2436 | = | 73 | * | (127 | / | 404) | = | 22.94801976 | ||
| 4 | 86119 | 2559 | - | 2485 | = | 74 | * | (138 | / | 404) | = | 25.27722769 | ||
| 5 | 86120 | 2612 | - | 2528 | = | 84 | * | (139 | / | 404) | = | 28.90099002 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cherry Chase Elementary | 77 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 70 | 71 | 71 | 75 | 77 | 364.0 | 72.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 81.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 63.8
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 | 3% | 3% | 2% | 4% | 4% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Sunnyvale 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.
Cherry Chase Elementary math proficiency
Zero+ meets standard.
2% less $meal
2% less $meal
1% less $meal
4% less $meal
4% 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.
Elementary School (Public) schools in Sunnyvale (8)
| Bishop Elementary | Cherry Chase Elementary | Cumberland Elementary |
| Ellis Elementary | Fairwood Elementary | Lakewood Elementary |
| San Miguel Elementary | Vargas Elementary |