Walt Disney Elementary (Data source)
Source data for Walt Disney 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 | 648668 | 2420 | - | 2436 | = | -16 | * | (59 | / | 180) | = | -5.24444443 | ||
| 4 | 648669 | 2463 | - | 2485 | = | -22 | * | (54 | / | 180) | = | -6.6 | ||
| 5 | 648672 | 2496 | - | 2528 | = | -32 | * | (67 | / | 180) | = | -11.9111111 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Walt Disney Elementary | -24 | ||||||||||||
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 | 20648 | 2435 | - | 2436 | = | -1 | * | (54 | / | 166) | = | -0.3253012 | ||
| 4 | 20650 | 2467 | - | 2485 | = | -18 | * | (59 | / | 166) | = | -6.39759035 | ||
| 5 | 20651 | 2492 | - | 2528 | = | -36 | * | (53 | / | 166) | = | -11.49397589 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Walt Disney Elementary | -18 | ||||||||||||
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 | 21009 | 2473 | - | 2436 | = | 37 | * | (74 | / | 199) | = | 13.75879395 | ||
| 4 | 21012 | 2453 | - | 2485 | = | -32 | * | (60 | / | 199) | = | -9.64824118 | ||
| 5 | 21014 | 2518 | - | 2528 | = | -10 | * | (65 | / | 199) | = | -3.26633165 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Walt Disney 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 | 20987 | 2450 | - | 2436 | = | 14 | * | (73 | / | 214) | = | 4.77570093 | ||
| 4 | 20988 | 2502 | - | 2485 | = | 17 | * | (82 | / | 214) | = | 6.51401869 | ||
| 5 | 20991 | 2485 | - | 2528 | = | -43 | * | (59 | / | 214) | = | -11.85514016 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Walt Disney Elementary | -1 | ||||||||||||
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 | 21160 | 2457 | - | 2436 | = | 21 | * | (67 | / | 225) | = | 6.25333332 | ||
| 4 | 21161 | 2487 | - | 2485 | = | 2 | * | (75 | / | 225) | = | 0.66666667 | ||
| 5 | 21162 | 2539 | - | 2528 | = | 11 | * | (83 | / | 225) | = | 4.05777777 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Walt Disney Elementary | 11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -24 | -18 | 1 | -1 | 11 | -31.0 | -6.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.2
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 | 49% | 44% | 43% | 44% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Burbank 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.
Walt Disney Elementary math proficiency
Zero+ meets standard.
38% less $meal
35% less $meal
34% less $meal
38% less $meal
34% 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.