CDS Elementary (Data source)
Source data for CDS 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 | 1013149 | 0 | - | 2436 | = | * | (0 | / | 4) | = | ||||
| 5 | 1013150 | 0 | - | 2528 | = | * | (1 | / | 4) | = | ||||
| 6 | 1013153 | 0 | - | 2552 | = | * | (3 | / | 4) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for CDS Elementary | |||||||||||||
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 | 31977 | 0 | - | 2436 | = | * | (1 | / | 9) | = | ||||
| 4 | 31979 | 0 | - | 2485 | = | * | (2 | / | 9) | = | ||||
| 5 | 31980 | 0 | - | 2528 | = | * | (3 | / | 9) | = | ||||
| 6 | 31983 | 0 | - | 2552 | = | * | (3 | / | 9) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for CDS Elementary | |||||||||||||
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 | 32529 | 0 | - | 2436 | = | * | (0 | / | 12) | = | ||||
| 6 | 32533 | 2368 | - | 2552 | = | -184 | * | (11 | / | 12) | = | -168.66666654 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for CDS Elementary | -169 | ||||||||||||
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 | 32546 | 0 | - | 2436 | = | * | (0 | / | 0) | = | ||||
| 5 | 32549 | 0 | - | 2528 | = | * | (0 | / | 0) | = | ||||
| 6 | 32550 | 0 | - | 2552 | = | * | (0 | / | 0) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for CDS Elementary | |||||||||||||
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 | 32729 | 0 | - | 2436 | = | * | (0 | / | 9) | = | ||||
| 4 | 32730 | 0 | - | 2485 | = | * | (0 | / | 9) | = | ||||
| 5 | 32731 | 0 | - | 2528 | = | * | (0 | / | 9) | = | ||||
| 6 | 32732 | 0 | - | 2552 | = | * | (5 | / | 9) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for CDS Elementary | |||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -169 | -169.0 | -33.8 |
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:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 89% | 50% | 88% | 100% | 50% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Los Angeles Unified school district | County of Los Angeles
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.
District Community Day Schools schools in Los Angeles Unified (8)
| Aggeler Community Day | CDS Elementary | CDS Secondary |
| Dorothy V. Johnson Community Day | Jack London Community Day | Richard A. Alonzo Community Day |
| Tri-C Community Day | William J. Johnston Community Day |