Aloha Elementary (Data source)
Source data for Aloha 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 | 605062 | 2429 | - | 2436 | = | -7 | * | (56 | / | 223) | = | -1.75784753 | ||
| 4 | 605065 | 2421 | - | 2485 | = | -64 | * | (49 | / | 223) | = | -14.06278022 | ||
| 5 | 605066 | 2466 | - | 2528 | = | -62 | * | (61 | / | 223) | = | -16.9596412 | ||
| 6 | 605069 | 2493 | - | 2552 | = | -59 | * | (57 | / | 223) | = | -15.08071748 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Aloha Elementary | -48 | ||||||||||||
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 | 19406 | 2443 | - | 2436 | = | 7 | * | (54 | / | 216) | = | 1.75 | ||
| 4 | 19407 | 2479 | - | 2485 | = | -6 | * | (56 | / | 216) | = | -1.55555555 | ||
| 5 | 19409 | 2482 | - | 2528 | = | -46 | * | (44 | / | 216) | = | -9.37037034 | ||
| 6 | 19412 | 2518 | - | 2552 | = | -34 | * | (62 | / | 216) | = | -9.75925926 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Aloha Elementary | -19 | ||||||||||||
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 | 19700 | 2410 | - | 2436 | = | -26 | * | (52 | / | 213) | = | -6.34741783 | ||
| 4 | 19701 | 2453 | - | 2485 | = | -32 | * | (59 | / | 213) | = | -8.86384976 | ||
| 5 | 19703 | 2483 | - | 2528 | = | -45 | * | (49 | / | 213) | = | -10.35211266 | ||
| 6 | 19706 | 2517 | - | 2552 | = | -35 | * | (53 | / | 213) | = | -8.70892019 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Aloha Elementary | -34 | ||||||||||||
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 | 19698 | 2417 | - | 2436 | = | -19 | * | (56 | / | 197) | = | -5.40101522 | ||
| 4 | 19700 | 2439 | - | 2485 | = | -46 | * | (43 | / | 197) | = | -10.04060911 | ||
| 5 | 19702 | 2492 | - | 2528 | = | -36 | * | (53 | / | 197) | = | -9.68527915 | ||
| 6 | 19704 | 2546 | - | 2552 | = | -6 | * | (45 | / | 197) | = | -1.37055837 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Aloha 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 | 19883 | 2416 | - | 2436 | = | -20 | * | (48 | / | 203) | = | -4.72906402 | ||
| 4 | 19884 | 2436 | - | 2485 | = | -49 | * | (54 | / | 203) | = | -13.03448275 | ||
| 5 | 19885 | 2462 | - | 2528 | = | -66 | * | (46 | / | 203) | = | -14.95566501 | ||
| 6 | 19886 | 2521 | - | 2552 | = | -31 | * | (55 | / | 203) | = | -8.39901476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Aloha Elementary | -41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -48 | -19 | -34 | -26 | -41 | -168.0 | -33.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -0.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -66.6
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 | 82% | 82% | 84% | 87% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
ABC 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.
Aloha Elementary math proficiency
Zero+ meets standard.
71% less $meal
70% less $meal
73% less $meal
78% less $meal
76% 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.