Walnut Grove Elementary (Data source)
Source data for Walnut Grove 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 | 120910 | 2509 | - | 2436 | = | 73 | * | (124 | / | 388) | = | 23.32989684 | ||
4 | 120911 | 2527 | - | 2485 | = | 42 | * | (132 | / | 388) | = | 14.28865977 | ||
5 | 120914 | 2587 | - | 2528 | = | 59 | * | (132 | / | 388) | = | 20.07216492 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Walnut Grove Elementary | 58 |
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 | 3362 | 2503 | - | 2436 | = | 67 | * | (125 | / | 388) | = | 21.58505152 | ||
4 | 3364 | 2529 | - | 2485 | = | 44 | * | (131 | / | 388) | = | 14.85567006 | ||
5 | 3365 | 2593 | - | 2528 | = | 65 | * | (132 | / | 388) | = | 22.11340203 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Walnut Grove Elementary | 59 |
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 | 3479 | 2502 | - | 2436 | = | 66 | * | (146 | / | 406) | = | 23.73399013 | ||
4 | 3481 | 2539 | - | 2485 | = | 54 | * | (127 | / | 406) | = | 16.89162557 | ||
5 | 3483 | 2587 | - | 2528 | = | 59 | * | (133 | / | 406) | = | 19.32758615 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Walnut Grove Elementary | 60 |
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 | 3480 | 2511 | - | 2436 | = | 75 | * | (119 | / | 407) | = | 21.9287469 | ||
4 | 3482 | 2548 | - | 2485 | = | 63 | * | (159 | / | 407) | = | 24.61179357 | ||
5 | 3484 | 2585 | - | 2528 | = | 57 | * | (129 | / | 407) | = | 18.06633901 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Walnut Grove Elementary | 65 |
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 | 3525 | 2515 | - | 2436 | = | 79 | * | (119 | / | 412) | = | 22.81796113 | ||
4 | 3526 | 2547 | - | 2485 | = | 62 | * | (130 | / | 412) | = | 19.56310676 | ||
5 | 3527 | 2591 | - | 2528 | = | 63 | * | (163 | / | 412) | = | 24.92475722 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Walnut Grove Elementary | 67 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
58 | 59 | 60 | 65 | 67 | 309.0 | 61.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 70.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 52.8
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 | 3% | 3% | 2% | 4% | 4% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pleasanton Unified school district | County of Alameda
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.
Walnut Grove Elementary math proficiency
Zero+ meets standard.
2% less $meal
3% less $meal
1% less $meal
4% less $meal
4% 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.