Keppel Academy (Data source)
Source data for Keppel Academy
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 |
||
| 5 | 733553 | 2455 | - | 2528 | = | -73 | * | (65 | / | 385) | = | -12.32467526 | ||
| 6 | 733556 | 2478 | - | 2552 | = | -74 | * | (100 | / | 385) | = | -19.22077917 | ||
| 7 | 733557 | 2505 | - | 2567 | = | -62 | * | (98 | / | 385) | = | -15.78181815 | ||
| 8 | 733560 | 2519 | - | 2586 | = | -67 | * | (122 | / | 385) | = | -21.23116877 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Keppel Academy | -69 | ||||||||||||
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 |
||
| 5 | 23097 | 2453 | - | 2528 | = | -75 | * | (64 | / | 355) | = | -13.52112675 | ||
| 6 | 23098 | 2470 | - | 2552 | = | -82 | * | (83 | / | 355) | = | -19.17183091 | ||
| 7 | 23101 | 2501 | - | 2567 | = | -66 | * | (111 | / | 355) | = | -20.6366197 | ||
| 8 | 23102 | 2528 | - | 2586 | = | -58 | * | (97 | / | 355) | = | -15.84788729 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Keppel Academy | -69 | ||||||||||||
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 |
||
| 5 | 23546 | 2463 | - | 2528 | = | -65 | * | (59 | / | 343) | = | -11.18075797 | ||
| 6 | 23549 | 2479 | - | 2552 | = | -73 | * | (78 | / | 343) | = | -16.60058303 | ||
| 7 | 23551 | 2510 | - | 2567 | = | -57 | * | (88 | / | 343) | = | -14.62390666 | ||
| 8 | 23552 | 2514 | - | 2586 | = | -72 | * | (118 | / | 343) | = | -24.76967926 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Keppel Academy | -67 | ||||||||||||
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 |
||
| 5 | 23566 | 2474 | - | 2528 | = | -54 | * | (66 | / | 343) | = | -10.39067055 | ||
| 6 | 23568 | 2483 | - | 2552 | = | -69 | * | (95 | / | 343) | = | -19.11078717 | ||
| 7 | 23570 | 2491 | - | 2567 | = | -76 | * | (88 | / | 343) | = | -19.49854222 | ||
| 8 | 23572 | 2518 | - | 2586 | = | -68 | * | (94 | / | 343) | = | -18.6355685 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Keppel Academy | -68 | ||||||||||||
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 |
||
| 5 | 23739 | 2468 | - | 2528 | = | -60 | * | (41 | / | 297) | = | -8.28282828 | ||
| 6 | 23740 | 2468 | - | 2552 | = | -84 | * | (80 | / | 297) | = | -22.6262626 | ||
| 7 | 23741 | 2489 | - | 2567 | = | -78 | * | (88 | / | 297) | = | -23.11111109 | ||
| 8 | 23742 | 2504 | - | 2586 | = | -82 | * | (88 | / | 297) | = | -24.29629627 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Keppel Academy | -78 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -69 | -69 | -67 | -68 | -78 | -351.0 | -70.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -58.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.2
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 | 77% | 81% | 79% | 88% | 84% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Keppel Union Elementary 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.
Keppel Academy math proficiency
Zero+ meets standard.
65% less $meal
68% less $meal
68% less $meal
80% less $meal
83% 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.
Intermediate/Middle Schools (Public) schools in Keppel Union Elementary (1)
| Keppel Academy |