Las Lomas High (Data source)
Source data for Las Lomas 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 | 176371 | 2658 | - | 2628 | = | 30 | * | (283 | / | 283) | = | 30.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Las Lomas High | 30 |
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 | 5326 | 2630 | - | 2628 | = | 2 | * | (333 | / | 333) | = | 2.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Las Lomas High | 2 |
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 | 5437 | 2626 | - | 2628 | = | -2 | * | (352 | / | 352) | = | -2.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Las Lomas High | -2 |
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 | 5433 | 2650 | - | 2628 | = | 22 | * | (347 | / | 347) | = | 22.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Las Lomas High | 22 |
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 | 5487 | 2645 | - | 2628 | = | 17 | * | (375 | / | 375) | = | 17.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Las Lomas High | 17 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
30 | 2 | -2 | 22 | 17 | 69.0 | 13.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 52.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -25.2
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 | 10% | 9% | 8% | 13% | 12% |
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.
Las Lomas High math proficiency
Zero+ meets standard.
8% less $meal
6% less $meal
6% less $meal
12% less $meal
11% 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 |