Martin Luther King Elementary (Data source)
Source data for Martin Luther King 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 | 1166600 | 2365 | - | 2436 | = | -71 | * | (98 | / | 299) | = | -23.27090299 | ||
| 4 | 1166601 | 2417 | - | 2485 | = | -68 | * | (87 | / | 299) | = | -19.78595313 | ||
| 5 | 1166604 | 2431 | - | 2528 | = | -97 | * | (75 | / | 299) | = | -24.33110364 | ||
| 6 | 1166605 | 2441 | - | 2552 | = | -111 | * | (39 | / | 299) | = | -14.4782608 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Martin Luther King Elementary | -82 | ||||||||||||
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 | 36339 | 2379 | - | 2436 | = | -57 | * | (84 | / | 299) | = | -16.01337788 | ||
| 4 | 36341 | 2393 | - | 2485 | = | -92 | * | (97 | / | 299) | = | -29.84615378 | ||
| 5 | 36344 | 2420 | - | 2528 | = | -108 | * | (85 | / | 299) | = | -30.70234109 | ||
| 6 | 36345 | 2457 | - | 2552 | = | -95 | * | (33 | / | 299) | = | -10.48494974 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Martin Luther King Elementary | -87 | ||||||||||||
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 | 37103 | 2376 | - | 2436 | = | -60 | * | (83 | / | 281) | = | -17.7224199 | ||
| 4 | 37105 | 2379 | - | 2485 | = | -106 | * | (81 | / | 281) | = | -30.55516006 | ||
| 5 | 37108 | 2413 | - | 2528 | = | -115 | * | (89 | / | 281) | = | -36.42348747 | ||
| 6 | 37109 | 2464 | - | 2552 | = | -88 | * | (28 | / | 281) | = | -8.76868326 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Martin Luther King Elementary | -93 | ||||||||||||
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 | 37061 | 2388 | - | 2436 | = | -48 | * | (93 | / | 306) | = | -14.58823526 | ||
| 4 | 37064 | 2413 | - | 2485 | = | -72 | * | (90 | / | 306) | = | -21.17647058 | ||
| 5 | 37065 | 2420 | - | 2528 | = | -108 | * | (89 | / | 306) | = | -31.41176468 | ||
| 6 | 37068 | 2418 | - | 2552 | = | -134 | * | (34 | / | 306) | = | -14.88888887 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Martin Luther King Elementary | -82 | ||||||||||||
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 | 37265 | 2429 | - | 2436 | = | -7 | * | (91 | / | 307) | = | -2.07491857 | ||
| 4 | 37266 | 2436 | - | 2485 | = | -49 | * | (91 | / | 307) | = | -14.52442996 | ||
| 5 | 37267 | 2428 | - | 2528 | = | -100 | * | (92 | / | 307) | = | -29.9674267 | ||
| 6 | 37268 | 2482 | - | 2552 | = | -70 | * | (33 | / | 307) | = | -7.52442992 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Martin Luther King Elementary | -54 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -82 | -87 | -93 | -82 | -54 | -398.0 | -79.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -34.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -124.6
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 | 74% | 85% | 78% | 85% | 81% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Compton 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.
Martin Luther King Elementary math proficiency
Zero+ meets standard.
72% less $meal
80% less $meal
73% less $meal
82% less $meal
80% 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.