La Fetra Elementary (Data source)
Source data for La Fetra 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 | 716681 | 2435 | - | 2436 | = | -1 | * | (128 | / | 395) | = | -0.32405063 | ||
| 4 | 716684 | 2470 | - | 2485 | = | -15 | * | (131 | / | 395) | = | -4.97468354 | ||
| 5 | 716685 | 2509 | - | 2528 | = | -19 | * | (136 | / | 395) | = | -6.54177214 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Fetra Elementary | -12 | ||||||||||||
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 | 22591 | 2437 | - | 2436 | = | 1 | * | (127 | / | 388) | = | 0.32731959 | ||
| 4 | 22592 | 2486 | - | 2485 | = | 1 | * | (126 | / | 388) | = | 0.32474227 | ||
| 5 | 22594 | 2500 | - | 2528 | = | -28 | * | (135 | / | 388) | = | -9.74226803 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Fetra Elementary | -9 | ||||||||||||
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 | 23015 | 2454 | - | 2436 | = | 18 | * | (130 | / | 390) | = | 5.99999999 | ||
| 4 | 23018 | 2487 | - | 2485 | = | 2 | * | (129 | / | 390) | = | 0.66153846 | ||
| 5 | 23019 | 2522 | - | 2528 | = | -6 | * | (131 | / | 390) | = | -2.01538461 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Fetra Elementary | 5 | ||||||||||||
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 | 23017 | 2452 | - | 2436 | = | 16 | * | (105 | / | 369) | = | 4.55284552 | ||
| 4 | 23018 | 2491 | - | 2485 | = | 6 | * | (131 | / | 369) | = | 2.1300813 | ||
| 5 | 23021 | 2534 | - | 2528 | = | 6 | * | (133 | / | 369) | = | 2.16260162 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Fetra Elementary | 9 | ||||||||||||
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 | 23194 | 2461 | - | 2436 | = | 25 | * | (102 | / | 339) | = | 7.52212388 | ||
| 4 | 23195 | 2478 | - | 2485 | = | -7 | * | (106 | / | 339) | = | -2.18879056 | ||
| 5 | 23196 | 2517 | - | 2528 | = | -11 | * | (131 | / | 339) | = | -4.25073746 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Fetra Elementary | 1 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -12 | -9 | 5 | 9 | 1 | -6.0 | -1.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -28.2
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 | 29% | 30% | 29% | 33% | 32% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Glendora 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.
La Fetra Elementary math proficiency
Zero+ meets standard.
20% less $meal
23% less $meal
23% less $meal
27% less $meal
26% 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 Glendora Unified (5)
| Cullen Elementary | La Fetra Elementary | Sellers Elementary |
| Stanton Elementary | Sutherland Elementary |