Roosevelt Elementary (Data source)
Source data for Roosevelt 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 | 1027594 | 2382 | - | 2436 | = | -54 | * | (85 | / | 316) | = | -14.52531641 | ||
| 4 | 1027595 | 2418 | - | 2485 | = | -67 | * | (83 | / | 316) | = | -17.59810121 | ||
| 5 | 1027598 | 2445 | - | 2528 | = | -83 | * | (69 | / | 316) | = | -18.12341769 | ||
| 6 | 1027599 | 2459 | - | 2552 | = | -93 | * | (79 | / | 316) | = | -23.25 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Roosevelt Elementary | -73 | ||||||||||||
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 | 32269 | 2396 | - | 2436 | = | -40 | * | (79 | / | 334) | = | -9.46107784 | ||
| 4 | 32270 | 2415 | - | 2485 | = | -70 | * | (94 | / | 334) | = | -19.70059875 | ||
| 5 | 32272 | 2441 | - | 2528 | = | -87 | * | (83 | / | 334) | = | -21.61976048 | ||
| 6 | 32275 | 2480 | - | 2552 | = | -72 | * | (78 | / | 334) | = | -16.81437125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Roosevelt Elementary | -68 | ||||||||||||
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 | 32821 | 2383 | - | 2436 | = | -53 | * | (74 | / | 324) | = | -12.10493823 | ||
| 4 | 32823 | 2429 | - | 2485 | = | -56 | * | (71 | / | 324) | = | -12.27160491 | ||
| 5 | 32824 | 2435 | - | 2528 | = | -93 | * | (89 | / | 324) | = | -25.54629629 | ||
| 6 | 32827 | 2450 | - | 2552 | = | -102 | * | (90 | / | 324) | = | -28.33333325 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Roosevelt Elementary | -78 | ||||||||||||
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 | 32836 | 2406 | - | 2436 | = | -30 | * | (79 | / | 321) | = | -7.38317757 | ||
| 4 | 32839 | 2430 | - | 2485 | = | -55 | * | (73 | / | 321) | = | -12.50778815 | ||
| 5 | 32840 | 2438 | - | 2528 | = | -90 | * | (72 | / | 321) | = | -20.18691585 | ||
| 6 | 32843 | 2430 | - | 2552 | = | -122 | * | (97 | / | 321) | = | -36.86604357 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Roosevelt Elementary | -77 | ||||||||||||
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 | 33011 | 2396 | - | 2436 | = | -40 | * | (78 | / | 324) | = | -9.6296296 | ||
| 4 | 33012 | 2453 | - | 2485 | = | -32 | * | (86 | / | 324) | = | -8.49382714 | ||
| 5 | 33013 | 2430 | - | 2528 | = | -98 | * | (84 | / | 324) | = | -25.40740738 | ||
| 6 | 33014 | 2455 | - | 2552 | = | -97 | * | (76 | / | 324) | = | -22.7530864 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Roosevelt Elementary | -66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -73 | -68 | -78 | -77 | -66 | -362.0 | -72.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -57.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -87.4
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 | 93% | 94% | 92% | 88% | 91% |
| 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.
Roosevelt Elementary math proficiency
Zero+ meets standard.
85% less $meal
87% less $meal
84% less $meal
82% less $meal
84% 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.