Westlake Hills Elementary (Data source)
Source data for Westlake Hills 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 | 3158350 | 2474 | - | 2436 | = | 38 | * | (74 | / | 289) | = | 9.73010379 | ||
| 4 | 3158351 | 2508 | - | 2485 | = | 23 | * | (97 | / | 289) | = | 7.71972317 | ||
| 5 | 3158354 | 2530 | - | 2528 | = | 2 | * | (118 | / | 289) | = | 0.816609 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Westlake Hills Elementary | 18 | ||||||||||||
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 | 97330 | 2483 | - | 2436 | = | 47 | * | (92 | / | 272) | = | 15.89705882 | ||
| 4 | 97332 | 2512 | - | 2485 | = | 27 | * | (83 | / | 272) | = | 8.23897057 | ||
| 5 | 97335 | 2553 | - | 2528 | = | 25 | * | (97 | / | 272) | = | 8.91544118 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Westlake Hills Elementary | 33 | ||||||||||||
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 | 100156 | 2477 | - | 2436 | = | 41 | * | (61 | / | 252) | = | 9.92460317 | ||
| 4 | 100158 | 2522 | - | 2485 | = | 37 | * | (98 | / | 252) | = | 14.38888886 | ||
| 5 | 100160 | 2544 | - | 2528 | = | 16 | * | (93 | / | 252) | = | 5.9047619 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Westlake Hills Elementary | 30 | ||||||||||||
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 | 100311 | 2461 | - | 2436 | = | 25 | * | (85 | / | 238) | = | 8.92857143 | ||
| 4 | 100313 | 2514 | - | 2485 | = | 29 | * | (58 | / | 238) | = | 7.06722686 | ||
| 5 | 100315 | 2553 | - | 2528 | = | 25 | * | (95 | / | 238) | = | 9.97899158 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Westlake Hills Elementary | 26 | ||||||||||||
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 | 100975 | 2448 | - | 2436 | = | 12 | * | (86 | / | 241) | = | 4.28215768 | ||
| 4 | 100976 | 2505 | - | 2485 | = | 20 | * | (96 | / | 241) | = | 7.96680496 | ||
| 5 | 100977 | 2562 | - | 2528 | = | 34 | * | (59 | / | 241) | = | 8.32365145 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Westlake Hills Elementary | 21 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 18 | 33 | 30 | 26 | 21 | 128.0 | 25.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 43.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 7.6
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 | 13% | 13% | 15% | 21% | 21% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Conejo Valley Unified school district | County of Ventura
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.
Westlake Hills Elementary math proficiency
Zero+ meets standard.
11% less $meal
10% less $meal
12% less $meal
18% less $meal
17% 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.