Wing Lane Elementary (Data source)
Source data for Wing Lane 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 | 1179194 | 2389 | - | 2436 | = | -47 | * | (55 | / | 158) | = | -16.36075946 | ||
| 4 | 1179195 | 2409 | - | 2485 | = | -76 | * | (52 | / | 158) | = | -25.01265822 | ||
| 5 | 1179198 | 2423 | - | 2528 | = | -105 | * | (51 | / | 158) | = | -33.89240505 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wing Lane Elementary | -75 | ||||||||||||
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 | 36728 | 2401 | - | 2436 | = | -35 | * | (61 | / | 168) | = | -12.70833333 | ||
| 4 | 36730 | 2425 | - | 2485 | = | -60 | * | (54 | / | 168) | = | -19.28571426 | ||
| 5 | 36731 | 2432 | - | 2528 | = | -96 | * | (53 | / | 168) | = | -30.28571424 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wing Lane Elementary | -62 | ||||||||||||
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 | 37494 | 2398 | - | 2436 | = | -38 | * | (45 | / | 155) | = | -11.03225804 | ||
| 4 | 37495 | 2422 | - | 2485 | = | -63 | * | (60 | / | 155) | = | -24.38709676 | ||
| 5 | 37497 | 2453 | - | 2528 | = | -75 | * | (50 | / | 155) | = | -24.19354838 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wing Lane 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 | 37447 | 2411 | - | 2436 | = | -25 | * | (47 | / | 147) | = | -7.99319728 | ||
| 4 | 37449 | 2424 | - | 2485 | = | -61 | * | (39 | / | 147) | = | -16.18367344 | ||
| 5 | 37451 | 2463 | - | 2528 | = | -65 | * | (61 | / | 147) | = | -26.97278909 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wing Lane Elementary | -51 | ||||||||||||
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 | 37650 | 2419 | - | 2436 | = | -17 | * | (47 | / | 132) | = | -6.0530303 | ||
| 4 | 37651 | 2461 | - | 2485 | = | -24 | * | (48 | / | 132) | = | -8.72727271 | ||
| 5 | 37652 | 2450 | - | 2528 | = | -78 | * | (37 | / | 132) | = | -21.86363634 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wing Lane Elementary | -37 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -75 | -62 | -60 | -51 | -37 | -285.0 | -57.0 |
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: -99.0
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 | 92% | 93% | 91% | 88% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hacienda la Puente Unified school district | County of Los Angeles
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.
Wing Lane Elementary math proficiency
Zero+ meets standard.
82% less $meal
84% less $meal
84% less $meal
78% 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.