Bryant Ranch Elementary (Data source)
Source data for Bryant Ranch 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 | 1531350 | 2485 | - | 2436 | = | 49 | * | (84 | / | 276) | = | 14.91304347 | ||
| 4 | 1531353 | 2499 | - | 2485 | = | 14 | * | (96 | / | 276) | = | 4.8695652 | ||
| 5 | 1531354 | 2540 | - | 2528 | = | 12 | * | (96 | / | 276) | = | 4.17391303 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bryant Ranch Elementary | 24 | ||||||||||||
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 | 47942 | 2464 | - | 2436 | = | 28 | * | (92 | / | 258) | = | 9.98449612 | ||
| 4 | 47945 | 2513 | - | 2485 | = | 28 | * | (76 | / | 258) | = | 8.248062 | ||
| 5 | 47947 | 2536 | - | 2528 | = | 8 | * | (90 | / | 258) | = | 2.79069767 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bryant Ranch Elementary | 21 | ||||||||||||
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 | 49250 | 2489 | - | 2436 | = | 53 | * | (92 | / | 257) | = | 18.97276261 | ||
| 4 | 49253 | 2508 | - | 2485 | = | 23 | * | (83 | / | 257) | = | 7.42801555 | ||
| 5 | 49255 | 2536 | - | 2528 | = | 8 | * | (82 | / | 257) | = | 2.55252918 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bryant Ranch Elementary | 29 | ||||||||||||
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 | 49264 | 2494 | - | 2436 | = | 58 | * | (103 | / | 268) | = | 22.29104476 | ||
| 4 | 49266 | 2527 | - | 2485 | = | 42 | * | (84 | / | 268) | = | 13.16417907 | ||
| 5 | 49268 | 2538 | - | 2528 | = | 10 | * | (81 | / | 268) | = | 3.02238805 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bryant Ranch Elementary | 38 | ||||||||||||
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 | 49463 | 2493 | - | 2436 | = | 57 | * | (87 | / | 255) | = | 19.44705879 | ||
| 4 | 49464 | 2523 | - | 2485 | = | 38 | * | (86 | / | 255) | = | 12.81568624 | ||
| 5 | 49465 | 2559 | - | 2528 | = | 31 | * | (82 | / | 255) | = | 9.96862744 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bryant Ranch Elementary | 42 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 24 | 21 | 29 | 38 | 42 | 154.0 | 30.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 54.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 6.8
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 | 13% | 12% | 10% | 15% | 18% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Placentia-Yorba Linda Unified school district | County of Orange
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.
Bryant Ranch Elementary math proficiency
Zero+ meets standard.
10% less $meal
10% less $meal
8% less $meal
14% less $meal
16% 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.