West Creek Academy (Data source)
Source data for West Creek 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 |
||
| 3 | 1110738 | 2465 | - | 2436 | = | 29 | * | (111 | / | 481) | = | 6.69230767 | ||
| 4 | 1110739 | 2533 | - | 2485 | = | 48 | * | (133 | / | 481) | = | 13.27234925 | ||
| 5 | 1110742 | 2548 | - | 2528 | = | 20 | * | (115 | / | 481) | = | 4.78170478 | ||
| 6 | 1110743 | 2580 | - | 2552 | = | 28 | * | (122 | / | 481) | = | 7.10187108 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for West Creek Academy | 32 | ||||||||||||
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 | 34711 | 2486 | - | 2436 | = | 50 | * | (135 | / | 522) | = | 12.93103445 | ||
| 4 | 34714 | 2526 | - | 2485 | = | 41 | * | (124 | / | 522) | = | 9.73946357 | ||
| 5 | 34716 | 2572 | - | 2528 | = | 44 | * | (144 | / | 522) | = | 12.13793099 | ||
| 6 | 34717 | 2602 | - | 2552 | = | 50 | * | (119 | / | 522) | = | 11.3984674 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for West Creek Academy | 46 | ||||||||||||
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 | 35349 | 2478 | - | 2436 | = | 42 | * | (141 | / | 551) | = | 10.74773137 | ||
| 4 | 35352 | 2520 | - | 2485 | = | 35 | * | (134 | / | 551) | = | 8.51179672 | ||
| 5 | 35353 | 2553 | - | 2528 | = | 25 | * | (131 | / | 551) | = | 5.94373865 | ||
| 6 | 35356 | 2606 | - | 2552 | = | 54 | * | (145 | / | 551) | = | 14.21052628 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for West Creek Academy | 39 | ||||||||||||
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 | 35362 | 2501 | - | 2436 | = | 65 | * | (128 | / | 541) | = | 15.37892785 | ||
| 4 | 35364 | 2525 | - | 2485 | = | 40 | * | (141 | / | 541) | = | 10.4251386 | ||
| 5 | 35366 | 2555 | - | 2528 | = | 27 | * | (137 | / | 541) | = | 6.83733825 | ||
| 6 | 35368 | 2594 | - | 2552 | = | 42 | * | (135 | / | 541) | = | 10.48059146 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for West Creek Academy | 43 | ||||||||||||
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 | 35531 | 2501 | - | 2436 | = | 65 | * | (156 | / | 554) | = | 18.30324906 | ||
| 4 | 35532 | 2531 | - | 2485 | = | 46 | * | (128 | / | 554) | = | 10.62815883 | ||
| 5 | 35533 | 2552 | - | 2528 | = | 24 | * | (133 | / | 554) | = | 5.76173285 | ||
| 6 | 35534 | 2596 | - | 2552 | = | 44 | * | (137 | / | 554) | = | 10.88086639 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for West Creek Academy | 46 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 32 | 46 | 39 | 43 | 46 | 206.0 | 41.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 56.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 26.2
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 | 7% | 4% | 5% | 9% | 7% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Saugus Union 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.
West Creek Academy math proficiency
Zero+ meets standard.
4% less $meal
3% less $meal
4% less $meal
8% less $meal
6% 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.