Virginia Primrose Elementary (Data source)
Source data for Virginia Primrose 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 | 1987944 | 2381 | - | 2436 | = | -55 | * | (82 | / | 252) | = | -17.89682538 | ||
4 | 1987945 | 2415 | - | 2485 | = | -70 | * | (91 | / | 252) | = | -25.27777777 | ||
5 | 1987948 | 2474 | - | 2528 | = | -54 | * | (79 | / | 252) | = | -16.9285714 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Virginia Primrose Elementary | -60 |
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 | 61146 | 2395 | - | 2436 | = | -41 | * | (69 | / | 245) | = | -11.54693877 | ||
4 | 61148 | 2422 | - | 2485 | = | -63 | * | (92 | / | 245) | = | -23.65714285 | ||
5 | 61151 | 2463 | - | 2528 | = | -65 | * | (84 | / | 245) | = | -22.28571423 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Virginia Primrose Elementary | -57 |
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 | 62925 | 2386 | - | 2436 | = | -50 | * | (71 | / | 226) | = | -15.7079646 | ||
4 | 62926 | 2437 | - | 2485 | = | -48 | * | (62 | / | 226) | = | -13.16814158 | ||
5 | 62929 | 2466 | - | 2528 | = | -62 | * | (93 | / | 226) | = | -25.51327429 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Virginia Primrose Elementary | -54 |
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 | 63006 | 2373 | - | 2436 | = | -63 | * | (68 | / | 206) | = | -20.79611648 | ||
4 | 63008 | 2428 | - | 2485 | = | -57 | * | (75 | / | 206) | = | -20.75242713 | ||
5 | 63011 | 2477 | - | 2528 | = | -51 | * | (63 | / | 206) | = | -15.59708734 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Virginia Primrose Elementary | -57 |
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 | 63277 | 2383 | - | 2436 | = | -53 | * | (55 | / | 184) | = | -15.84239128 | ||
4 | 63278 | 2422 | - | 2485 | = | -63 | * | (64 | / | 184) | = | -21.91304342 | ||
5 | 63279 | 2480 | - | 2528 | = | -48 | * | (65 | / | 184) | = | -16.95652171 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Virginia Primrose Elementary | -55 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-60 | -57 | -54 | -57 | -55 | -283.0 | -56.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -50.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.6
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 | 84% | 84% | 82% | 82% | 83% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Fontana Unified school district County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Virginia Primrose Elementary math proficiency
Zero+ meets standard.
![](/assets/house_drawing_5in-c6442fed32af63d603d8b366066112e716dad0472d326bacc949d19f4beb6f9b.png)
72% less $meal
![](/assets/house_drawing_5in-c6442fed32af63d603d8b366066112e716dad0472d326bacc949d19f4beb6f9b.png)
75% less $meal
![](/assets/house_drawing_5in-c6442fed32af63d603d8b366066112e716dad0472d326bacc949d19f4beb6f9b.png)
74% less $meal
![](/assets/house_drawing_5in-c6442fed32af63d603d8b366066112e716dad0472d326bacc949d19f4beb6f9b.png)
77% less $meal
![](/assets/house_drawing_5in-c6442fed32af63d603d8b366066112e716dad0472d326bacc949d19f4beb6f9b.png)
71% 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.