Lake Los Angeles Elementary (Data source)
Source data for Lake Los Angeles 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 | 734673 | 2392 | - | 2436 | = | -44 | * | (57 | / | 316) | = | -7.93670882 | ||
| 4 | 734674 | 2431 | - | 2485 | = | -54 | * | (57 | / | 316) | = | -9.74050628 | ||
| 5 | 734677 | 2447 | - | 2528 | = | -81 | * | (48 | / | 316) | = | -12.30379745 | ||
| 6 | 734678 | 2495 | - | 2552 | = | -57 | * | (52 | / | 316) | = | -9.37974683 | ||
| 7 | 734681 | 2521 | - | 2567 | = | -46 | * | (53 | / | 316) | = | -7.71518983 | ||
| 8 | 734682 | 2460 | - | 2586 | = | -126 | * | (49 | / | 316) | = | -19.53797467 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lake Los Angeles Elementary | -67 | ||||||||||||
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 | 23135 | 2369 | - | 2436 | = | -67 | * | (54 | / | 347) | = | -10.42651293 | ||
| 4 | 23137 | 2425 | - | 2485 | = | -60 | * | (60 | / | 347) | = | -10.37463972 | ||
| 5 | 23139 | 2449 | - | 2528 | = | -79 | * | (59 | / | 347) | = | -13.43227662 | ||
| 6 | 23140 | 2465 | - | 2552 | = | -87 | * | (55 | / | 347) | = | -13.78962528 | ||
| 7 | 23143 | 2506 | - | 2567 | = | -61 | * | (55 | / | 347) | = | -9.66858784 | ||
| 8 | 23144 | 2505 | - | 2586 | = | -81 | * | (64 | / | 347) | = | -14.93948124 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lake Los Angeles Elementary | -73 | ||||||||||||
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 | 23585 | 2402 | - | 2436 | = | -34 | * | (59 | / | 346) | = | -5.79768785 | ||
| 4 | 23586 | 2419 | - | 2485 | = | -66 | * | (55 | / | 346) | = | -10.49132944 | ||
| 5 | 23588 | 2436 | - | 2528 | = | -92 | * | (55 | / | 346) | = | -14.6242774 | ||
| 6 | 23591 | 2456 | - | 2552 | = | -96 | * | (60 | / | 346) | = | -16.64739878 | ||
| 7 | 23593 | 2461 | - | 2567 | = | -106 | * | (59 | / | 346) | = | -18.07514449 | ||
| 8 | 23595 | 2507 | - | 2586 | = | -79 | * | (58 | / | 346) | = | -13.2427745 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lake Los Angeles Elementary | -79 | ||||||||||||
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 | 23605 | 2391 | - | 2436 | = | -45 | * | (66 | / | 362) | = | -8.20441985 | ||
| 4 | 23606 | 2452 | - | 2485 | = | -33 | * | (59 | / | 362) | = | -5.37845303 | ||
| 5 | 23609 | 2416 | - | 2528 | = | -112 | * | (55 | / | 362) | = | -17.01657451 | ||
| 6 | 23611 | 2466 | - | 2552 | = | -86 | * | (66 | / | 362) | = | -15.67955793 | ||
| 7 | 23612 | 2483 | - | 2567 | = | -84 | * | (62 | / | 362) | = | -14.38674031 | ||
| 8 | 23615 | 2441 | - | 2586 | = | -145 | * | (54 | / | 362) | = | -21.62983415 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lake Los Angeles 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 | 23779 | 2407 | - | 2436 | = | -29 | * | (43 | / | 337) | = | -3.70029673 | ||
| 4 | 23780 | 2453 | - | 2485 | = | -32 | * | (64 | / | 337) | = | -6.07715133 | ||
| 5 | 23781 | 2460 | - | 2528 | = | -68 | * | (55 | / | 337) | = | -11.0979228 | ||
| 6 | 23782 | 2431 | - | 2552 | = | -121 | * | (61 | / | 337) | = | -21.90207714 | ||
| 7 | 23783 | 2487 | - | 2567 | = | -80 | * | (60 | / | 337) | = | -14.24332344 | ||
| 8 | 23784 | 2482 | - | 2586 | = | -104 | * | (54 | / | 337) | = | -16.66468835 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lake Los Angeles Elementary | -74 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -67 | -73 | -79 | -82 | -74 | -375.0 | -75.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -60.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -90.0
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 | 85% | 88% | 84% | 88% | 96% |
| 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.
Lake Los Angeles Elementary math proficiency
Zero+ meets standard.
76% less $meal
80% less $meal
77% less $meal
84% less $meal
96% 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.
Elementary School (Public) schools in Keppel Union Elementary (5)
| Alpine Elementary | Antelope Elementary | Daisy Gibson Elementary |
| Lake Los Angeles Elementary | Pearblossom Elementary |