Meairs Elementary (Data source)
Source data for Meairs 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 | 1551306 | 2414 | - | 2436 | = | -22 | * | (88 | / | 292) | = | -6.63013699 | ||
| 4 | 1551309 | 2454 | - | 2485 | = | -31 | * | (102 | / | 292) | = | -10.82876711 | ||
| 5 | 1551310 | 2500 | - | 2528 | = | -28 | * | (102 | / | 292) | = | -9.7808219 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Meairs Elementary | -27 | ||||||||||||
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 | 48614 | 2438 | - | 2436 | = | 2 | * | (103 | / | 287) | = | 0.71777003 | ||
| 4 | 48616 | 2486 | - | 2485 | = | 1 | * | (84 | / | 287) | = | 0.29268293 | ||
| 5 | 48619 | 2497 | - | 2528 | = | -31 | * | (100 | / | 287) | = | -10.80139371 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Meairs Elementary | -10 | ||||||||||||
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 | 49934 | 2437 | - | 2436 | = | 1 | * | (88 | / | 271) | = | 0.32472325 | ||
| 4 | 49937 | 2481 | - | 2485 | = | -4 | * | (92 | / | 271) | = | -1.35793358 | ||
| 5 | 49938 | 2522 | - | 2528 | = | -6 | * | (91 | / | 271) | = | -2.01476014 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Meairs Elementary | -3 | ||||||||||||
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 | 49951 | 2422 | - | 2436 | = | -14 | * | (91 | / | 268) | = | -4.75373133 | ||
| 4 | 49952 | 2486 | - | 2485 | = | 1 | * | (85 | / | 268) | = | 0.31716418 | ||
| 5 | 49955 | 2502 | - | 2528 | = | -26 | * | (92 | / | 268) | = | -8.92537313 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Meairs Elementary | -13 | ||||||||||||
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 | 50145 | 2424 | - | 2436 | = | -12 | * | (85 | / | 252) | = | -4.04761904 | ||
| 4 | 50146 | 2474 | - | 2485 | = | -11 | * | (86 | / | 252) | = | -3.75396825 | ||
| 5 | 50147 | 2531 | - | 2528 | = | 3 | * | (81 | / | 252) | = | 0.96428571 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Meairs Elementary | -7 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -27 | -10 | -3 | -13 | -7 | -60.0 | -12.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -39.0
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 | 75% | 82% | 83% | 87% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Westminster 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.
Meairs Elementary math proficiency
Zero+ meets standard.
67% less $meal
72% less $meal
69% less $meal
77% 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.