Joe Walker Middle (Data source)
Source data for Joe Walker Middle
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 |
||
| 6 | 1146371 | 0 | - | 2552 | = | * | (6 | / | 879) | = | ||||
| 7 | 1146374 | 2523 | - | 2567 | = | -44 | * | (429 | / | 879) | = | -21.47440271 | ||
| 8 | 1146375 | 2531 | - | 2586 | = | -55 | * | (444 | / | 879) | = | -27.78156992 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Joe Walker Middle | -49 | ||||||||||||
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 |
||
| 6 | 35673 | 2527 | - | 2552 | = | -25 | * | (54 | / | 930) | = | -1.4516129 | ||
| 7 | 35675 | 2531 | - | 2567 | = | -36 | * | (445 | / | 930) | = | -17.22580643 | ||
| 8 | 35678 | 2541 | - | 2586 | = | -45 | * | (431 | / | 930) | = | -20.8548387 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Joe Walker Middle | -40 | ||||||||||||
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 |
||
| 6 | 36375 | 2521 | - | 2552 | = | -31 | * | (64 | / | 924) | = | -2.14718614 | ||
| 7 | 36378 | 2508 | - | 2567 | = | -59 | * | (408 | / | 924) | = | -26.05194802 | ||
| 8 | 36379 | 2547 | - | 2586 | = | -39 | * | (452 | / | 924) | = | -19.07792207 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Joe Walker Middle | -47 | ||||||||||||
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 |
||
| 6 | 36366 | 2528 | - | 2552 | = | -24 | * | (64 | / | 959) | = | -1.60166839 | ||
| 7 | 36368 | 2507 | - | 2567 | = | -60 | * | (463 | / | 959) | = | -28.96767462 | ||
| 8 | 36370 | 2513 | - | 2586 | = | -73 | * | (432 | / | 959) | = | -32.88425437 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Joe Walker Middle | -63 | ||||||||||||
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 |
||
| 6 | 36528 | 2535 | - | 2552 | = | -17 | * | (78 | / | 1027) | = | -1.29113924 | ||
| 7 | 36529 | 2508 | - | 2567 | = | -59 | * | (479 | / | 1027) | = | -27.51801359 | ||
| 8 | 36530 | 2523 | - | 2586 | = | -63 | * | (470 | / | 1027) | = | -28.83154819 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Joe Walker Middle | -58 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -49 | -40 | -47 | -63 | -58 | -257.0 | -51.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -24.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.4
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 | 41% | 43% | 42% | 48% | 47% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Westside Union 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.
Joe Walker Middle math proficiency
Zero+ meets standard.
33% less $meal
34% less $meal
35% less $meal
42% less $meal
42% 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.
Intermediate/Middle Schools (Public) schools in Westside Union Elementary (2)
| Hillview Middle | Joe Walker Middle |