Will Rogers Elementary (Data source)
Source data for Will Rogers 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 | 1028101 | 2426 | - | 2436 | = | -10 | * | (106 | / | 407) | = | -2.6044226 | ||
| 4 | 1028104 | 2437 | - | 2485 | = | -48 | * | (109 | / | 407) | = | -12.85503682 | ||
| 5 | 1028105 | 2447 | - | 2528 | = | -81 | * | (101 | / | 407) | = | -20.10073709 | ||
| 6 | 1028108 | 2492 | - | 2552 | = | -60 | * | (91 | / | 407) | = | -13.41523338 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Will Rogers Elementary | -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 |
||
| 3 | 32289 | 2449 | - | 2436 | = | 13 | * | (98 | / | 411) | = | 3.09975669 | ||
| 4 | 32291 | 2434 | - | 2485 | = | -51 | * | (105 | / | 411) | = | -13.02919705 | ||
| 5 | 32293 | 2463 | - | 2528 | = | -65 | * | (110 | / | 411) | = | -17.39659363 | ||
| 6 | 32295 | 2501 | - | 2552 | = | -51 | * | (98 | / | 411) | = | -12.16058392 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Will Rogers Elementary | -39 | ||||||||||||
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 | 32841 | 2431 | - | 2436 | = | -5 | * | (99 | / | 423) | = | -1.17021277 | ||
| 4 | 32842 | 2442 | - | 2485 | = | -43 | * | (102 | / | 423) | = | -10.36879429 | ||
| 5 | 32845 | 2473 | - | 2528 | = | -55 | * | (104 | / | 423) | = | -13.52245862 | ||
| 6 | 32847 | 2497 | - | 2552 | = | -55 | * | (118 | / | 423) | = | -15.34278955 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Will Rogers Elementary | -40 | ||||||||||||
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 | 32856 | 2434 | - | 2436 | = | -2 | * | (111 | / | 410) | = | -0.54146341 | ||
| 4 | 32858 | 2458 | - | 2485 | = | -27 | * | (94 | / | 410) | = | -6.19024388 | ||
| 5 | 32860 | 2497 | - | 2528 | = | -31 | * | (96 | / | 410) | = | -7.25853657 | ||
| 6 | 32862 | 2508 | - | 2552 | = | -44 | * | (109 | / | 410) | = | -11.69756095 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Will Rogers Elementary | -26 | ||||||||||||
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 | 33031 | 2426 | - | 2436 | = | -10 | * | (105 | / | 402) | = | -2.61194029 | ||
| 4 | 33032 | 2456 | - | 2485 | = | -29 | * | (109 | / | 402) | = | -7.86318406 | ||
| 5 | 33033 | 2515 | - | 2528 | = | -13 | * | (89 | / | 402) | = | -2.87810944 | ||
| 6 | 33034 | 2526 | - | 2552 | = | -26 | * | (99 | / | 402) | = | -6.40298506 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Will Rogers Elementary | -20 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -49 | -39 | -40 | -26 | -20 | -174.0 | -34.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.8
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 | 96% | 95% | 96% | 95% | 96% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Lynwood 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.
Will Rogers Elementary math proficiency
Zero+ meets standard.
89% less $meal
87% less $meal
89% less $meal
87% less $meal
86% 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.