Will Rogers Middle (Data source)
Source data for Will Rogers 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 | 752839 | 2478 | - | 2552 | = | -74 | * | (315 | / | 942) | = | -24.7452229 | ||
| 7 | 752842 | 2488 | - | 2567 | = | -79 | * | (338 | / | 942) | = | -28.34607216 | ||
| 8 | 752843 | 2509 | - | 2586 | = | -77 | * | (289 | / | 942) | = | -23.62314224 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Will Rogers Middle | -77 | ||||||||||||
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 | 23657 | 2468 | - | 2552 | = | -84 | * | (353 | / | 1007) | = | -29.44587878 | ||
| 7 | 23659 | 2494 | - | 2567 | = | -73 | * | (314 | / | 1007) | = | -22.76266137 | ||
| 8 | 23660 | 2508 | - | 2586 | = | -78 | * | (340 | / | 1007) | = | -26.33565043 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Will Rogers Middle | -79 | ||||||||||||
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 | 24136 | 2498 | - | 2552 | = | -54 | * | (286 | / | 955) | = | -16.17172771 | ||
| 7 | 24137 | 2500 | - | 2567 | = | -67 | * | (353 | / | 955) | = | -24.76544497 | ||
| 8 | 24139 | 2514 | - | 2586 | = | -72 | * | (316 | / | 955) | = | -23.82408374 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Will Rogers Middle | -65 | ||||||||||||
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 | 24156 | 2494 | - | 2552 | = | -58 | * | (351 | / | 997) | = | -20.41925774 | ||
| 7 | 24158 | 2515 | - | 2567 | = | -52 | * | (299 | / | 997) | = | -15.59478435 | ||
| 8 | 24160 | 2524 | - | 2586 | = | -62 | * | (347 | / | 997) | = | -21.57873618 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Will Rogers Middle | -58 | ||||||||||||
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 | 24334 | 2503 | - | 2552 | = | -49 | * | (306 | / | 948) | = | -15.81645569 | ||
| 7 | 24335 | 2509 | - | 2567 | = | -58 | * | (348 | / | 948) | = | -21.29113921 | ||
| 8 | 24336 | 2513 | - | 2586 | = | -73 | * | (294 | / | 948) | = | -22.63924049 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Will Rogers Middle | -60 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -77 | -79 | -65 | -58 | -60 | -339.0 | -67.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -40.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.8
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 | 82% | 80% | 82% | 86% | 83% |
| 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.
Will Rogers Middle math proficiency
Zero+ meets standard.
69% less $meal
68% less $meal
70% less $meal
79% less $meal
74% 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 Lawndale Elementary (2)
| Jane Addams Middle | Will Rogers Middle |