Acalanes High (Data source)
Source data for Acalanes 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 | 176091 | 2684 | - | 2628 | = | 56 | * | (286 | / | 286) | = | 56.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Acalanes High | 56 |
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 | 5317 | 2681 | - | 2628 | = | 53 | * | (292 | / | 292) | = | 53.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Acalanes High | 53 |
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 | 5430 | 2702 | - | 2628 | = | 74 | * | (323 | / | 323) | = | 74.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Acalanes High | 74 |
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 | 5426 | 2673 | - | 2628 | = | 45 | * | (302 | / | 302) | = | 45.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Acalanes High | 45 |
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 | 5479 | 2683 | - | 2628 | = | 55 | * | (299 | / | 299) | = | 55.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Acalanes High | 55 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
56 | 53 | 74 | 45 | 55 | 283.0 | 56.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 86.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 26.6
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 | 3% | 3% | 2% | 5% | 6% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Acalanes Union High 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.
Acalanes High math proficiency
Zero+ meets standard.
2% less $meal
3% less $meal
1% less $meal
5% less $meal
6% 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 Acalanes Union High (4)
Acalanes High | Campolindo High | Las Lomas High |
Miramonte High |