Arena High (Continuation) (Data source)
Source data for Arena High (Continuation)
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 | 699831 | 2441 | - | 2628 | = | -187 | * | (14 | / | 14) | = | -187.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Arena High (Continuation) | -187 | ||||||||||||
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 | 22125 | 2463 | - | 2628 | = | -165 | * | (14 | / | 14) | = | -165.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Arena High (Continuation) | -165 | ||||||||||||
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 | 22538 | 2540 | - | 2628 | = | -88 | * | (11 | / | 11) | = | -88.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Arena High (Continuation) | -88 | ||||||||||||
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 | 22526 | 2513 | - | 2628 | = | -115 | * | (21 | / | 21) | = | -115.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Arena High (Continuation) | -115 | ||||||||||||
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 | 22708 | 2452 | - | 2628 | = | -176 | * | (16 | / | 16) | = | -176.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Arena High (Continuation) | -176 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -187 | -165 | -88 | -115 | -176 | -731.0 | -146.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -20.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -272.2
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 | 17% | 15% | 18% | 24% | 39% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Segundo Unified 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.
Arena High (Continuation) math proficiency
Zero+ meets standard.
13% less $meal
9% less $meal
11% less $meal
20% less $meal
36% 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.
Continuation High Schools schools in El Segundo Unified (1)
| Arena High (Continuation) |