California Preparatory Academy (Data source)
Source data for California Preparatory 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 |
||
| 11 | 1433222 | 2563 | - | 2628 | = | -65 | * | (35 | / | 35) | = | -65.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for California Preparatory Academy | -65 | ||||||||||||
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 |
||
| 11 | 45130 | 2598 | - | 2628 | = | -30 | * | (33 | / | 33) | = | -30.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for California Preparatory Academy | -30 | ||||||||||||
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 |
||
| 11 | 46332 | 2589 | - | 2628 | = | -39 | * | (32 | / | 32) | = | -39.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for California Preparatory 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 |
||
| 11 | 46343 | 2632 | - | 2628 | = | 4 | * | (39 | / | 39) | = | 4.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for California Preparatory Academy | 4 | ||||||||||||
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 |
||
| 11 | 46515 | 2599 | - | 2628 | = | -29 | * | (38 | / | 38) | = | -29.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for California Preparatory Academy | -29 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -65 | -30 | -39 | 4 | -29 | -159.0 | -31.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 40.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -103.8
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% | 8% | 7% | 9% | 14% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Capistrano Unified school district | County of Orange
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.
California Preparatory Academy math proficiency
Zero+ meets standard.
6% less $meal
7% less $meal
6% less $meal
9% less $meal
14% 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.
Alternative Schools of Choice schools in Capistrano Unified (2)
| California Preparatory Academy | Capistrano Home/Virtual |