Desert Rose Elementary (Data source)
Source data for Desert Rose 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 | 1060762 | 2362 | - | 2436 | = | -74 | * | (146 | / | 561) | = | -19.258467 | ||
| 4 | 1060765 | 2399 | - | 2485 | = | -86 | * | (136 | / | 561) | = | -20.84848481 | ||
| 5 | 1060766 | 2429 | - | 2528 | = | -99 | * | (129 | / | 561) | = | -22.76470588 | ||
| 6 | 1060769 | 2470 | - | 2552 | = | -82 | * | (150 | / | 561) | = | -21.92513368 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Desert Rose Elementary | -85 | ||||||||||||
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 | 33284 | 2352 | - | 2436 | = | -84 | * | (133 | / | 554) | = | -20.16606497 | ||
| 4 | 33285 | 2414 | - | 2485 | = | -71 | * | (147 | / | 554) | = | -18.83935016 | ||
| 5 | 33287 | 2411 | - | 2528 | = | -117 | * | (138 | / | 554) | = | -29.14440422 | ||
| 6 | 33290 | 2459 | - | 2552 | = | -93 | * | (136 | / | 554) | = | -22.83032485 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Desert Rose Elementary | -91 | ||||||||||||
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 | 33870 | 2366 | - | 2436 | = | -70 | * | (152 | / | 594) | = | -17.91245785 | ||
| 4 | 33873 | 2386 | - | 2485 | = | -99 | * | (129 | / | 594) | = | -21.49999998 | ||
| 5 | 33875 | 2447 | - | 2528 | = | -81 | * | (154 | / | 594) | = | -20.99999998 | ||
| 6 | 33877 | 2429 | - | 2552 | = | -123 | * | (137 | / | 594) | = | -28.36868679 | ||
| 7 | 33879 | 2347 | - | 2567 | = | -220 | * | (13 | / | 594) | = | -4.81481462 | ||
| 8 | 33880 | 0 | - | 2586 | = | * | (0 | / | 594) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Desert Rose Elementary | -94 | ||||||||||||
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 | 33894 | 2373 | - | 2436 | = | -63 | * | (116 | / | 420) | = | -17.39999999 | ||
| 4 | 33896 | 2400 | - | 2485 | = | -85 | * | (142 | / | 420) | = | -28.73809523 | ||
| 5 | 33898 | 2436 | - | 2528 | = | -92 | * | (130 | / | 420) | = | -28.47619043 | ||
| 6 | 33900 | 0 | - | 2552 | = | * | (0 | / | 420) | = | ||||
| 7 | 33902 | 2459 | - | 2567 | = | -108 | * | (11 | / | 420) | = | -2.82857141 | ||
| 8 | 33904 | 2371 | - | 2586 | = | -215 | * | (12 | / | 420) | = | -6.14285702 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Desert Rose Elementary | -84 | ||||||||||||
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 | 34079 | 2393 | - | 2436 | = | -43 | * | (137 | / | 425) | = | -13.86117646 | ||
| 4 | 34080 | 2411 | - | 2485 | = | -74 | * | (112 | / | 425) | = | -19.50117641 | ||
| 5 | 34081 | 2452 | - | 2528 | = | -76 | * | (153 | / | 425) | = | -27.36 | ||
| 6 | 34082 | 0 | - | 2552 | = | * | (8 | / | 425) | = | ||||
| 7 | 34083 | 0 | - | 2567 | = | * | (9 | / | 425) | = | ||||
| 8 | 34084 | 0 | - | 2586 | = | * | (6 | / | 425) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Desert Rose Elementary | -61 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -85 | -91 | -94 | -84 | -61 | -415.0 | -83.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -47.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -119.0
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 | 85% | 88% | 88% | 90% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palmdale Elementary 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.
Desert Rose Elementary math proficiency
Zero+ meets standard.
77% less $meal
79% less $meal
78% less $meal
82% less $meal
79% 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.