Burbank (Luther) Elementary (Data source)
Source data for Burbank (Luther) 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 | 607158 | 2412 | - | 2436 | = | -24 | * | (55 | / | 319) | = | -4.13793103 | ||
| 4 | 607161 | 2463 | - | 2485 | = | -22 | * | (80 | / | 319) | = | -5.51724138 | ||
| 5 | 607162 | 2512 | - | 2528 | = | -16 | * | (88 | / | 319) | = | -4.41379309 | ||
| 6 | 607165 | 2525 | - | 2552 | = | -27 | * | (96 | / | 319) | = | -8.12539183 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Burbank (Luther) Elementary | -22 | ||||||||||||
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 | 19465 | 2453 | - | 2436 | = | 17 | * | (64 | / | 309) | = | 3.5210356 | ||
| 4 | 19467 | 2469 | - | 2485 | = | -16 | * | (72 | / | 309) | = | -3.72815533 | ||
| 5 | 19469 | 2514 | - | 2528 | = | -14 | * | (80 | / | 309) | = | -3.62459546 | ||
| 6 | 19471 | 2530 | - | 2552 | = | -22 | * | (93 | / | 309) | = | -6.62135921 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Burbank (Luther) Elementary | -10 | ||||||||||||
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 | 19760 | 2474 | - | 2436 | = | 38 | * | (67 | / | 287) | = | 8.87108013 | ||
| 4 | 19761 | 2469 | - | 2485 | = | -16 | * | (66 | / | 287) | = | -3.6794425 | ||
| 5 | 19763 | 2483 | - | 2528 | = | -45 | * | (71 | / | 287) | = | -11.13240416 | ||
| 6 | 19765 | 2569 | - | 2552 | = | 17 | * | (83 | / | 287) | = | 4.9163763 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Burbank (Luther) Elementary | -1 | ||||||||||||
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 | 19758 | 2463 | - | 2436 | = | 27 | * | (71 | / | 278) | = | 6.89568344 | ||
| 4 | 19760 | 2468 | - | 2485 | = | -17 | * | (67 | / | 278) | = | -4.0971223 | ||
| 5 | 19762 | 2485 | - | 2528 | = | -43 | * | (65 | / | 278) | = | -10.05395681 | ||
| 6 | 19764 | 2532 | - | 2552 | = | -20 | * | (75 | / | 278) | = | -5.39568344 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Burbank (Luther) Elementary | -13 | ||||||||||||
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 | 19943 | 2456 | - | 2436 | = | 20 | * | (67 | / | 277) | = | 4.83754512 | ||
| 4 | 19944 | 2467 | - | 2485 | = | -18 | * | (70 | / | 277) | = | -4.54873646 | ||
| 5 | 19945 | 2490 | - | 2528 | = | -38 | * | (68 | / | 277) | = | -9.32851983 | ||
| 6 | 19946 | 2514 | - | 2552 | = | -38 | * | (72 | / | 277) | = | -9.87725629 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Burbank (Luther) Elementary | -19 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -22 | -10 | -1 | -13 | -19 | -65.0 | -13.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 11.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -37.0
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 | 61% | 60% | 59% | 62% | 61% |
| 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.
Burbank (Luther) Elementary math proficiency
Zero+ meets standard.
45% less $meal
45% less $meal
46% less $meal
54% less $meal
52% 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.