William Green Elementary (Data source)
Source data for William Green 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 | 753160 | 2388 | - | 2436 | = | -48 | * | (145 | / | 393) | = | -17.70992366 | ||
| 4 | 753161 | 2460 | - | 2485 | = | -25 | * | (120 | / | 393) | = | -7.63358778 | ||
| 5 | 753164 | 2430 | - | 2528 | = | -98 | * | (128 | / | 393) | = | -31.91857501 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for William Green Elementary | -57 | ||||||||||||
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 | 23664 | 2415 | - | 2436 | = | -21 | * | (115 | / | 394) | = | -6.12944161 | ||
| 4 | 23666 | 2456 | - | 2485 | = | -29 | * | (149 | / | 394) | = | -10.96700505 | ||
| 5 | 23669 | 2496 | - | 2528 | = | -32 | * | (130 | / | 394) | = | -10.55837562 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for William Green Elementary | -28 | ||||||||||||
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 | 24144 | 2408 | - | 2436 | = | -28 | * | (136 | / | 397) | = | -9.59193953 | ||
| 4 | 24146 | 2475 | - | 2485 | = | -10 | * | (120 | / | 397) | = | -3.02267002 | ||
| 5 | 24148 | 2485 | - | 2528 | = | -43 | * | (141 | / | 397) | = | -15.27204026 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for William Green Elementary | -28 | ||||||||||||
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 | 24165 | 2415 | - | 2436 | = | -21 | * | (100 | / | 342) | = | -6.14035086 | ||
| 4 | 24167 | 2456 | - | 2485 | = | -29 | * | (129 | / | 342) | = | -10.93859648 | ||
| 5 | 24169 | 2459 | - | 2528 | = | -69 | * | (113 | / | 342) | = | -22.79824556 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for William Green Elementary | -40 | ||||||||||||
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 | 24342 | 2443 | - | 2436 | = | 7 | * | (115 | / | 346) | = | 2.32658959 | ||
| 4 | 24343 | 2470 | - | 2485 | = | -15 | * | (101 | / | 346) | = | -4.37861271 | ||
| 5 | 24344 | 2474 | - | 2528 | = | -54 | * | (130 | / | 346) | = | -20.28901732 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for William Green Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -57 | -28 | -28 | -40 | -22 | -175.0 | -35.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.0
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 | 84% | 80% | 83% | 84% | 86% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lawndale Elementary 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.
William Green Elementary math proficiency
Zero+ meets standard.
69% less $meal
65% less $meal
68% less $meal
78% less $meal
78% 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 Lawndale Elementary (6)
| Billy Mitchell Elementary | F. D. Roosevelt Elementary | Lucille J. Smith Elementary |
| Mark Twain Elementary | William Anderson Elementary | William Green Elementary |