William J. (Pete) Knight High (Data source)
Source data for William J. (Pete) Knight 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 | 613711 | 2507 | - | 2628 | = | -121 | * | (567 | / | 567) | = | -121.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for William J. (Pete) Knight High | -121 | ||||||||||||
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 | 19633 | 2526 | - | 2628 | = | -102 | * | (663 | / | 663) | = | -102.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for William J. (Pete) Knight 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 | 19927 | 2512 | - | 2628 | = | -116 | * | (615 | / | 615) | = | -116.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for William J. (Pete) Knight High | -116 | ||||||||||||
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 | 19926 | 2513 | - | 2628 | = | -115 | * | (576 | / | 576) | = | -115.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for William J. (Pete) Knight High | -115 | ||||||||||||
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 | 20108 | 2509 | - | 2628 | = | -119 | * | (606 | / | 606) | = | -119.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for William J. (Pete) Knight High | -119 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -121 | -102 | -116 | -115 | -119 | -573.0 | -114.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -93.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -135.6
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 | 70% | 74% | 75% | 78% | 77% |
| 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.
William J. (Pete) Knight High math proficiency
Zero+ meets standard.
56% less $meal
60% less $meal
59% less $meal
67% less $meal
65% 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 |