Dickison Elementary (Data source)
Source data for Dickison 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 | 1161552 | 2380 | - | 2436 | = | -56 | * | (147 | / | 406) | = | -20.27586204 | ||
| 4 | 1161553 | 2424 | - | 2485 | = | -61 | * | (140 | / | 406) | = | -21.03448275 | ||
| 5 | 1161556 | 2456 | - | 2528 | = | -72 | * | (119 | / | 406) | = | -21.10344826 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Dickison Elementary | -62 | ||||||||||||
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 | 36133 | 2382 | - | 2436 | = | -54 | * | (135 | / | 485) | = | -15.03092781 | ||
| 4 | 36135 | 2418 | - | 2485 | = | -67 | * | (144 | / | 485) | = | -19.89278347 | ||
| 5 | 36137 | 2453 | - | 2528 | = | -75 | * | (140 | / | 485) | = | -21.64948448 | ||
| 6 | 36139 | 2507 | - | 2552 | = | -45 | * | (66 | / | 485) | = | -6.12371133 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Dickison Elementary | -63 | ||||||||||||
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 | 36878 | 2403 | - | 2436 | = | -33 | * | (123 | / | 527) | = | -7.70208727 | ||
| 4 | 36879 | 2412 | - | 2485 | = | -73 | * | (131 | / | 527) | = | -18.14611005 | ||
| 5 | 36882 | 2424 | - | 2528 | = | -104 | * | (144 | / | 527) | = | -28.41745722 | ||
| 6 | 36883 | 2504 | - | 2552 | = | -48 | * | (73 | / | 527) | = | -6.64895635 | ||
| 7 | 36886 | 2519 | - | 2567 | = | -48 | * | (56 | / | 527) | = | -5.10056923 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Dickison Elementary | -66 | ||||||||||||
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 | 36845 | 2437 | - | 2436 | = | 1 | * | (103 | / | 481) | = | 0.21413721 | ||
| 4 | 36848 | 2431 | - | 2485 | = | -54 | * | (116 | / | 481) | = | -13.02286901 | ||
| 5 | 36849 | 2425 | - | 2528 | = | -103 | * | (133 | / | 481) | = | -28.48024943 | ||
| 6 | 36852 | 2474 | - | 2552 | = | -78 | * | (59 | / | 481) | = | -9.56756752 | ||
| 7 | 36853 | 2501 | - | 2567 | = | -66 | * | (43 | / | 481) | = | -5.90020787 | ||
| 8 | 36856 | 2540 | - | 2586 | = | -46 | * | (27 | / | 481) | = | -2.58212058 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Dickison Elementary | -59 | ||||||||||||
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 | 37037 | 2437 | - | 2436 | = | 1 | * | (100 | / | 441) | = | 0.22675737 | ||
| 4 | 37038 | 2449 | - | 2485 | = | -36 | * | (98 | / | 441) | = | -7.99999999 | ||
| 5 | 37039 | 2461 | - | 2528 | = | -67 | * | (104 | / | 441) | = | -15.80045349 | ||
| 6 | 37040 | 2445 | - | 2552 | = | -107 | * | (70 | / | 441) | = | -16.98412691 | ||
| 7 | 37041 | 2508 | - | 2567 | = | -59 | * | (36 | / | 441) | = | -4.81632653 | ||
| 8 | 37042 | 2536 | - | 2586 | = | -50 | * | (33 | / | 441) | = | -3.74149655 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Dickison Elementary | -49 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -62 | -63 | -66 | -59 | -49 | -299.0 | -59.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -41.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.8
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 | 76% | 86% | 79% | 86% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Compton 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.
Dickison Elementary math proficiency
Zero+ meets standard.
73% less $meal
82% less $meal
76% less $meal
83% less $meal
76% 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.