Centinela Valley Independent Study (Data source)
Source data for Centinela Valley Independent Study
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 | 655240 | 2419 | - | 2628 | = | -209 | * | (39 | / | 39) | = | -209.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Centinela Valley Independent Study | -209 |
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 | 20816 | 2454 | - | 2628 | = | -174 | * | (29 | / | 29) | = | -174.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Centinela Valley Independent Study | -174 |
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 | 21177 | 2441 | - | 2628 | = | -187 | * | (16 | / | 16) | = | -187.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Centinela Valley Independent Study | -187 |
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 | 21158 | 2485 | - | 2628 | = | -143 | * | (24 | / | 24) | = | -143.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Centinela Valley Independent Study | -143 |
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 | 21328 | 2459 | - | 2628 | = | -169 | * | (11 | / | 11) | = | -169.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Centinela Valley Independent Study | -169 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-209 | -174 | -187 | -143 | -169 | -882.0 | -176.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -104.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -248.4
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 | 72% | 70% | 80% | 91% | 88% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Centinela Valley Union High school district County of Los Angeles
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.
Centinela Valley Independent Study math proficiency
Zero+ meets standard.
59% less $meal
62% less $meal
65% less $meal
91% less $meal
84% 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 Centinela Valley Union High (1)
Centinela Valley Independent Study |