Central Union High (Data source)
Source data for Central Union 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 | 440109 | 2551 | - | 2628 | = | -77 | * | (370 | / | 370) | = | -77.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Central Union High | -77 | ||||||||||||
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 | 13868 | 2561 | - | 2628 | = | -67 | * | (427 | / | 427) | = | -67.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Central Union High | -67 | ||||||||||||
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 |
||
| 8 | 14200 | 0 | - | 2586 | = | * | (0 | / | 393) | = | ||||
| 11 | 14203 | 2548 | - | 2628 | = | -80 | * | (392 | / | 393) | = | -79.7964376 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Central Union High | -80 | ||||||||||||
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 |
||
| 8 | 14209 | 0 | - | 2586 | = | * | (0 | / | 403) | = | ||||
| 11 | 14210 | 2539 | - | 2628 | = | -89 | * | (402 | / | 403) | = | -88.77915629 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Central Union High | -89 | ||||||||||||
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 | 14315 | 2547 | - | 2628 | = | -81 | * | (411 | / | 411) | = | -81.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Central Union High | -81 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -77 | -67 | -80 | -89 | -81 | -394.0 | -78.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -57.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.8
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 | 76% | 75% | 73% | 77% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Central Union High school district | County of Imperial
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.
Central Union High math proficiency
Zero+ meets standard.
68% less $meal
66% less $meal
64% less $meal
68% less $meal
67% 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 Central Union High (2)
| Central Union High | Southwest High |