Dunn Elementary (Data source)
Source data for Dunn 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 | 2030799 | 2348 | - | 2436 | = | -88 | * | (98 | / | 323) | = | -26.69969034 | ||
| 4 | 2030800 | 2401 | - | 2485 | = | -84 | * | (120 | / | 323) | = | -31.20743027 | ||
| 5 | 2030803 | 2431 | - | 2528 | = | -97 | * | (105 | / | 323) | = | -31.5325077 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Dunn Elementary | -89 | ||||||||||||
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 | 62407 | 2382 | - | 2436 | = | -54 | * | (123 | / | 337) | = | -19.7091988 | ||
| 4 | 62408 | 2394 | - | 2485 | = | -91 | * | (97 | / | 337) | = | -26.19287826 | ||
| 5 | 62410 | 2412 | - | 2528 | = | -116 | * | (117 | / | 337) | = | -40.27299693 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Dunn Elementary | -86 | ||||||||||||
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 | 64198 | 2385 | - | 2436 | = | -51 | * | (88 | / | 287) | = | -15.63763066 | ||
| 4 | 64200 | 2404 | - | 2485 | = | -81 | * | (106 | / | 287) | = | -29.9163763 | ||
| 5 | 64203 | 2393 | - | 2528 | = | -135 | * | (93 | / | 287) | = | -43.74564449 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Dunn 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 | 64305 | 2357 | - | 2436 | = | -79 | * | (103 | / | 307) | = | -26.50488592 | ||
| 4 | 64308 | 2417 | - | 2485 | = | -68 | * | (99 | / | 307) | = | -21.92833876 | ||
| 5 | 64309 | 2418 | - | 2528 | = | -110 | * | (105 | / | 307) | = | -37.62214973 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Dunn Elementary | -86 | ||||||||||||
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 | 64673 | 2414 | - | 2436 | = | -22 | * | (97 | / | 295) | = | -7.2338983 | ||
| 4 | 64674 | 2412 | - | 2485 | = | -73 | * | (99 | / | 295) | = | -24.49830506 | ||
| 5 | 64675 | 2418 | - | 2528 | = | -110 | * | (99 | / | 295) | = | -36.9152542 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Dunn Elementary | -69 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -89 | -86 | -89 | -86 | -69 | -419.0 | -83.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -59.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.8
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 | 88% | 91% | 91% | 94% | 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.
Dunn Elementary math proficiency
Zero+ meets standard.
82% less $meal
83% less $meal
82% less $meal
90% less $meal
89% 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.