Casey Elementary (Data source)
Source data for Casey 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 | 2030548 | 2374 | - | 2436 | = | -62 | * | (163 | / | 462) | = | -21.87445882 | ||
| 4 | 2030551 | 2412 | - | 2485 | = | -73 | * | (161 | / | 462) | = | -25.4393939 | ||
| 5 | 2030552 | 2424 | - | 2528 | = | -104 | * | (138 | / | 462) | = | -31.06493499 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Casey Elementary | -78 | ||||||||||||
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 | 62398 | 2377 | - | 2436 | = | -59 | * | (132 | / | 458) | = | -17.00436675 | ||
| 4 | 62401 | 2410 | - | 2485 | = | -75 | * | (165 | / | 458) | = | -27.0196506 | ||
| 5 | 62402 | 2420 | - | 2528 | = | -108 | * | (161 | / | 458) | = | -37.96506547 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Casey Elementary | -82 | ||||||||||||
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 | 64191 | 2363 | - | 2436 | = | -73 | * | (121 | / | 393) | = | -22.47582692 | ||
| 4 | 64192 | 2414 | - | 2485 | = | -71 | * | (125 | / | 393) | = | -22.58269715 | ||
| 5 | 64195 | 2410 | - | 2528 | = | -118 | * | (147 | / | 393) | = | -44.13740452 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Casey Elementary | -89 | ||||||||||||
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 | 64297 | 2388 | - | 2436 | = | -48 | * | (127 | / | 359) | = | -16.98050136 | ||
| 4 | 64300 | 2413 | - | 2485 | = | -72 | * | (113 | / | 359) | = | -22.66295263 | ||
| 5 | 64301 | 2440 | - | 2528 | = | -88 | * | (119 | / | 359) | = | -29.16991642 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Casey Elementary | -69 | ||||||||||||
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 | 64665 | 2401 | - | 2436 | = | -35 | * | (120 | / | 371) | = | -11.32075469 | ||
| 4 | 64666 | 2409 | - | 2485 | = | -76 | * | (135 | / | 371) | = | -27.65498648 | ||
| 5 | 64667 | 2436 | - | 2528 | = | -92 | * | (116 | / | 371) | = | -28.7654986 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Casey Elementary | -68 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -78 | -82 | -89 | -69 | -68 | -386.0 | -77.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.2
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 | 91% | 95% | 94% | 93% | 95% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rialto Unified school district | County of San Bernardino
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.
Casey Elementary math proficiency
Zero+ meets standard.
86% less $meal
88% less $meal
85% less $meal
87% less $meal
90% 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.