Colusa High (Data source)
Source data for Colusa 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 | 168694 | 2566 | - | 2628 | = | -62 | * | (70 | / | 70) | = | -62.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Colusa High | -62 |
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 | 5056 | 2572 | - | 2628 | = | -56 | * | (86 | / | 86) | = | -56.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Colusa High | -56 |
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 | 5162 | 2575 | - | 2628 | = | -53 | * | (82 | / | 82) | = | -53.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Colusa High | -53 |
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 | 5166 | 2563 | - | 2628 | = | -65 | * | (87 | / | 87) | = | -65.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Colusa High | -65 |
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 | 5203 | 2555 | - | 2628 | = | -73 | * | (88 | / | 88) | = | -73.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Colusa High | -73 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-62 | -56 | -53 | -65 | -73 | -309.0 | -61.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -40.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -82.8
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 | 56% | 47% | 54% | 62% | 58% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Colusa Unified school district County of Colusa
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.
Colusa High math proficiency
Zero+ meets standard.
41% less $meal
36% less $meal
46% less $meal
52% less $meal
46% 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 Colusa Unified (1)
Colusa High |