Desert Oasis High (Continuation) (Data source)
Source data for Desert Oasis 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 | 440241 | 2441 | - | 2628 | = | -187 | * | (17 | / | 17) | = | -187.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Desert Oasis 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 | 13871 | 2490 | - | 2628 | = | -138 | * | (33 | / | 33) | = | -138.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Desert Oasis High (Continuation) | -138 | ||||||||||||
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 | 14207 | 2467 | - | 2628 | = | -161 | * | (38 | / | 38) | = | -161.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Desert Oasis High (Continuation) | -161 | ||||||||||||
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 | 14215 | 2470 | - | 2628 | = | -158 | * | (34 | / | 34) | = | -158.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Desert Oasis High (Continuation) | -158 | ||||||||||||
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 | 14319 | 2438 | - | 2628 | = | -190 | * | (32 | / | 32) | = | -190.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Desert Oasis High (Continuation) | -190 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -187 | -138 | -161 | -158 | -190 | -834.0 | -166.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -103.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -229.8
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 | 92% | 87% | 69% | 96% | 83% |
| 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.
Desert Oasis High (Continuation) math proficiency
Zero+ meets standard.
86% less $meal
82% less $meal
68% less $meal
89% less $meal
81% 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 Central Union High (1)
| Desert Oasis High (Continuation) |