Willow High (Data source)
Source data for Willow 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 |
||
6 | 194333 | 0 | - | 2552 | = | * | (0 | / | 14) | = | ||||
7 | 194336 | 0 | - | 2567 | = | * | (0 | / | 14) | = | ||||
11 | 194337 | 2448 | - | 2628 | = | -180 | * | (14 | / | 14) | = | -180.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Willow High | -180 |
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 |
||
5 | 5791 | 0 | - | 2528 | = | * | (1 | / | 16) | = | ||||
7 | 5794 | 0 | - | 2567 | = | * | (0 | / | 16) | = | ||||
11 | 5795 | 2404 | - | 2628 | = | -224 | * | (15 | / | 16) | = | -210.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Willow High | -210 |
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 | 5923 | 0 | - | 2586 | = | * | (0 | / | 0) | = | ||||
11 | 5925 | 0 | - | 2628 | = | * | (0 | / | 0) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Willow High |
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 | 5920 | 0 | - | 2628 | = | * | (0 | / | 0) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Willow High |
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 |
||
6 | 5985 | 0 | - | 2552 | = | * | (0 | / | 0) | = | ||||
7 | 5986 | 0 | - | 2567 | = | * | (0 | / | 0) | = | ||||
11 | 5987 | 0 | - | 2628 | = | * | (0 | / | 0) | = | ||||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Willow High |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-180 | -210 | -390.0 | -78.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -132.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -258.0
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 | 55% | 70% | 69% | 52% | 40% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
John Swett Unified school district County of Contra Costa
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.
Willow High math proficiency
Zero+ meets standard.
53% less $meal
59% 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 John Swett Unified (1)
Willow High |