Foothill High (Data source)
Source data for Foothill 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 | 509850 | 2533 | - | 2628 | = | -95 | * | (426 | / | 426) | = | -95.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Foothill High | -95 |
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 | 16162 | 2537 | - | 2628 | = | -91 | * | (441 | / | 441) | = | -91.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Foothill High | -91 |
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 | 16479 | 2527 | - | 2628 | = | -101 | * | (414 | / | 414) | = | -101.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Foothill High | -101 |
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 | 16492 | 2522 | - | 2628 | = | -106 | * | (446 | / | 446) | = | -106.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Foothill High | -106 |
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 | 16621 | 2521 | - | 2628 | = | -107 | * | (447 | / | 447) | = | -107.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Foothill High | -107 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-95 | -91 | -101 | -106 | -107 | -500.0 | -100.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -82.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.0
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 | 82% | 84% | 83% | 87% | 86% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Kern High school district County of Kern
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.
Foothill High math proficiency
Zero+ meets standard.
73% less $meal
75% less $meal
72% less $meal
79% less $meal
78% 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.