Garin Elementary (Data source)
Source data for Garin 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 | 189289 | 2438 | - | 2436 | = | 2 | * | (101 | / | 334) | = | 0.60479042 | ||
| 4 | 189292 | 2463 | - | 2485 | = | -22 | * | (102 | / | 334) | = | -6.71856286 | ||
| 5 | 189293 | 2486 | - | 2528 | = | -42 | * | (131 | / | 334) | = | -16.47305386 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Garin Elementary | -23 | ||||||||||||
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 | 5647 | 2441 | - | 2436 | = | 5 | * | (100 | / | 296) | = | 1.68918919 | ||
| 4 | 5649 | 2486 | - | 2485 | = | 1 | * | (98 | / | 296) | = | 0.33108108 | ||
| 5 | 5651 | 2488 | - | 2528 | = | -40 | * | (98 | / | 296) | = | -13.24324324 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Garin Elementary | -11 | ||||||||||||
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 | 5782 | 2452 | - | 2436 | = | 16 | * | (102 | / | 299) | = | 5.45819397 | ||
| 4 | 5784 | 2471 | - | 2485 | = | -14 | * | (97 | / | 299) | = | -4.54180601 | ||
| 5 | 5786 | 2502 | - | 2528 | = | -26 | * | (100 | / | 299) | = | -8.69565216 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Garin Elementary | -8 | ||||||||||||
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 | 5777 | 2440 | - | 2436 | = | 4 | * | (100 | / | 295) | = | 1.3559322 | ||
| 4 | 5780 | 2477 | - | 2485 | = | -8 | * | (99 | / | 295) | = | -2.68474576 | ||
| 5 | 5781 | 2491 | - | 2528 | = | -37 | * | (96 | / | 295) | = | -12.04067794 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Garin 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 | 5839 | 2429 | - | 2436 | = | -7 | * | (121 | / | 342) | = | -2.47660818 | ||
| 4 | 5840 | 2467 | - | 2485 | = | -18 | * | (100 | / | 342) | = | -5.26315788 | ||
| 5 | 5841 | 2513 | - | 2528 | = | -15 | * | (121 | / | 342) | = | -5.30701754 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Garin Elementary | -13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -23 | -11 | -8 | -13 | -13 | -68.0 | -13.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -28.6
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 | 33% | 30% | 33% | 38% | 37% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Brentwood Union Elementary school district | County of Contra Costa
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.
Garin Elementary math proficiency
Zero+ meets standard.
27% less $meal
25% less $meal
26% less $meal
32% less $meal
31% 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.
Elementary School (Public) schools in Brentwood Union Elementary (8)
| Brentwood Elementary | Garin Elementary | Loma Vista Elementary |
| Marsh Creek Elementary | Mary Casey Black Elementary | Pioneer Elementary |
| R. Paul Krey Elementary | Ron Nunn Elementary |