Quartz Hill High (Data source)
Source data for Quartz Hill 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 | 615041 | 2557 | - | 2628 | = | -71 | * | (702 | / | 702) | = | -71.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Quartz Hill High | -71 | ||||||||||||
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 | 19669 | 2555 | - | 2628 | = | -73 | * | (642 | / | 642) | = | -73.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Quartz Hill High | -73 | ||||||||||||
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 | 19959 | 2545 | - | 2628 | = | -83 | * | (700 | / | 700) | = | -83.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Quartz Hill High | -83 | ||||||||||||
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 | 19959 | 2536 | - | 2628 | = | -92 | * | (690 | / | 690) | = | -92.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Quartz Hill High | -92 | ||||||||||||
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 | 20140 | 2536 | - | 2628 | = | -92 | * | (695 | / | 695) | = | -92.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Quartz Hill High | -92 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -71 | -73 | -83 | -92 | -92 | -411.0 | -82.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -52.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -112.2
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 | 32% | 35% | 36% | 41% | 37% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Antelope Valley Union High school district | County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Quartz Hill High math proficiency
Zero+ meets standard.
26% less $meal
29% less $meal
28% less $meal
36% less $meal
33% 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 Antelope Valley Union High (8)
| Antelope Valley High | Eastside High | Highland High |
| Lancaster High | Littlerock High | Palmdale High |
| Quartz Hill High | William J. (Pete) Knight High |