Ladera STARS Academy (Data source)
Source data for Ladera STARS 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 | 3156398 | 2433 | - | 2436 | = | -3 | * | (68 | / | 179) | = | -1.1396648 | ||
| 4 | 3156399 | 2492 | - | 2485 | = | 7 | * | (55 | / | 179) | = | 2.15083798 | ||
| 5 | 3156402 | 2525 | - | 2528 | = | -3 | * | (56 | / | 179) | = | -0.93854749 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ladera STARS Academy | 0 | ||||||||||||
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 | 97274 | 2452 | - | 2436 | = | 16 | * | (48 | / | 166) | = | 4.62650602 | ||
| 4 | 97276 | 2471 | - | 2485 | = | -14 | * | (62 | / | 166) | = | -5.22891565 | ||
| 5 | 97279 | 2525 | - | 2528 | = | -3 | * | (56 | / | 166) | = | -1.01204819 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ladera STARS Academy | -2 | ||||||||||||
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 | 100100 | 2447 | - | 2436 | = | 11 | * | (49 | / | 158) | = | 3.4113924 | ||
| 4 | 100102 | 2491 | - | 2485 | = | 6 | * | (47 | / | 158) | = | 1.78481012 | ||
| 5 | 100103 | 2510 | - | 2528 | = | -18 | * | (62 | / | 158) | = | -7.06329113 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ladera STARS Academy | -2 | ||||||||||||
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 | 100255 | 2444 | - | 2436 | = | 8 | * | (49 | / | 147) | = | 2.66666666 | ||
| 4 | 100256 | 2503 | - | 2485 | = | 18 | * | (48 | / | 147) | = | 5.87755102 | ||
| 5 | 100259 | 2518 | - | 2528 | = | -10 | * | (50 | / | 147) | = | -3.40136054 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ladera STARS Academy | 5 | ||||||||||||
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 | 100919 | 2443 | - | 2436 | = | 7 | * | (49 | / | 147) | = | 2.33333333 | ||
| 4 | 100920 | 2478 | - | 2485 | = | -7 | * | (51 | / | 147) | = | -2.42857143 | ||
| 5 | 100921 | 2547 | - | 2528 | = | 19 | * | (47 | / | 147) | = | 6.07482993 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ladera STARS Academy | 6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 0 | -2 | -2 | 5 | 6 | 7.0 | 1.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 13.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -10.25
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 | 33% | 33% | 39% | 36% | 37% |
| 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, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Ladera STARS Academy math proficiency
Zero+ meets standard.
29% less $meal
27% less $meal
27% less $meal
31% 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.