Martin Luther King Jr. Elementary (Data source)
Source data for Martin Luther King Jr. 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 | 444326 | 2419 | - | 2436 | = | -17 | * | (46 | / | 234) | = | -3.34188033 | ||
4 | 444329 | 2458 | - | 2485 | = | -27 | * | (59 | / | 234) | = | -6.8076923 | ||
5 | 444330 | 2445 | - | 2528 | = | -83 | * | (70 | / | 234) | = | -24.82905982 | ||
6 | 444333 | 2482 | - | 2552 | = | -70 | * | (59 | / | 234) | = | -17.64957264 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Martin Luther King Jr. Elementary | -53 |
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 | 14014 | 2444 | - | 2436 | = | 8 | * | (50 | / | 237) | = | 1.68776371 | ||
4 | 14016 | 2470 | - | 2485 | = | -15 | * | (60 | / | 237) | = | -3.79746834 | ||
5 | 14018 | 2481 | - | 2528 | = | -47 | * | (66 | / | 237) | = | -13.08860756 | ||
6 | 14019 | 2463 | - | 2552 | = | -89 | * | (61 | / | 237) | = | -22.90717297 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Martin Luther King Jr. Elementary | -38 |
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 | 14349 | 2425 | - | 2436 | = | -11 | * | (47 | / | 219) | = | -2.36073059 | ||
4 | 14351 | 2479 | - | 2485 | = | -6 | * | (51 | / | 219) | = | -1.39726027 | ||
5 | 14353 | 2467 | - | 2528 | = | -61 | * | (60 | / | 219) | = | -16.71232872 | ||
6 | 14355 | 2497 | - | 2552 | = | -55 | * | (61 | / | 219) | = | -15.31963466 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Martin Luther King Jr. Elementary | -36 |
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 | 14356 | 2431 | - | 2436 | = | -5 | * | (53 | / | 240) | = | -1.10416667 | ||
4 | 14359 | 2413 | - | 2485 | = | -72 | * | (57 | / | 240) | = | -17.1 | ||
5 | 14360 | 2461 | - | 2528 | = | -67 | * | (66 | / | 240) | = | -18.425 | ||
6 | 14363 | 2457 | - | 2552 | = | -95 | * | (64 | / | 240) | = | -25.33333327 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Martin Luther King Jr. Elementary | -62 |
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 | 14450 | 2486 | - | 2436 | = | 50 | * | (56 | / | 256) | = | 10.9375 | ||
4 | 14451 | 2432 | - | 2485 | = | -53 | * | (69 | / | 256) | = | -14.28515625 | ||
5 | 14452 | 2448 | - | 2528 | = | -80 | * | (63 | / | 256) | = | -19.6875 | ||
6 | 14453 | 2509 | - | 2552 | = | -43 | * | (68 | / | 256) | = | -11.421875 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Martin Luther King Jr. Elementary | -34 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-53 | -38 | -36 | -62 | -34 | -223.0 | -44.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -8.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -80.6
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 | 87% | 89% | 91% | 94% | 89% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Centro Elementary school district County of Imperial
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Martin Luther King Jr. Elementary math proficiency
Zero+ meets standard.
79% less $meal
82% less $meal
86% less $meal
89% less $meal
82% 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.