Charter Oak High (Data source)
Source data for Charter Oak High
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 | 657479 | 2598 | - | 2628 | = | -30 | * | (407 | / | 407) | = | -30.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Charter Oak High | -30 |
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 | 20884 | 2573 | - | 2628 | = | -55 | * | (387 | / | 387) | = | -55.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Charter Oak High | -55 |
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 | 21230 | 2580 | - | 2628 | = | -48 | * | (373 | / | 373) | = | -48.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Charter Oak High | -48 |
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 | 21211 | 2574 | - | 2628 | = | -54 | * | (346 | / | 346) | = | -54.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Charter Oak High | -54 |
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 | 21380 | 2593 | - | 2628 | = | -35 | * | (327 | / | 327) | = | -35.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Charter Oak High | -35 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-30 | -55 | -48 | -54 | -35 | -222.0 | -44.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -11.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.4
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 | 47% | 50% | 50% | 52% | 51% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Charter Oak Unified 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.
Charter Oak High math proficiency
Zero+ meets standard.

36% less $meal

39% less $meal

40% less $meal

44% less $meal

43% 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.
High Schools (Public) schools in Charter Oak Unified (1)
Charter Oak High |