Biggs High (Data source)
Source data for Biggs 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 | 134037 | 2528 | - | 2628 | = | -100 | * | (26 | / | 26) | = | -100.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Biggs High | -100 |
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 |
||
7 | 3845 | 0 | - | 2567 | = | * | (0 | / | 27) | = | ||||
11 | 3847 | 2526 | - | 2628 | = | -102 | * | (27 | / | 27) | = | -102.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Biggs High | -102 |
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 | 3928 | 2508 | - | 2628 | = | -120 | * | (46 | / | 46) | = | -120.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Biggs High | -120 |
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 | 3931 | 0 | - | 2586 | = | * | (0 | / | 53) | = | ||||
11 | 3934 | 2514 | - | 2628 | = | -114 | * | (53 | / | 53) | = | -114.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Biggs High | -114 |
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 | 3971 | 2493 | - | 2628 | = | -135 | * | (51 | / | 51) | = | -135.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Biggs High | -135 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-100 | -102 | -120 | -114 | -135 | -571.0 | -114.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -72.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -156.2
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 | 25% | 59% | 59% | 58% | 65% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Biggs Unified school district County of Butte
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.
Biggs High math proficiency
Zero+ meets standard.
25% less $meal
54% less $meal
53% less $meal
56% less $meal
63% 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 Biggs Unified (1)
Biggs High |