Savanna High (Data source)
Source data for Savanna 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 | 1419451 | 2537 | - | 2628 | = | -91 | * | (469 | / | 469) | = | -91.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Savanna High | -91 |
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 | 44768 | 2526 | - | 2628 | = | -102 | * | (432 | / | 432) | = | -102.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Savanna 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 | 45938 | 2513 | - | 2628 | = | -115 | * | (467 | / | 467) | = | -115.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Savanna High | -115 |
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 | 45955 | 2519 | - | 2628 | = | -109 | * | (483 | / | 483) | = | -109.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Savanna High | -109 |
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 | 46133 | 2527 | - | 2628 | = | -101 | * | (422 | / | 422) | = | -101.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Savanna High | -101 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-91 | -102 | -115 | -109 | -101 | -518.0 | -103.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -76.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -130.6
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 | 84% | 77% | 77% | 82% | 80% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Anaheim Union High school district | County of Orange
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.
Savanna High math proficiency
Zero+ meets standard.
69% less $meal
64% less $meal
62% less $meal
71% less $meal
69% 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 Anaheim Union High (9)
Anaheim High | Cypress High | John F. Kennedy High |
Katella High | Loara High | Magnolia High |
Oxford Academy | Savanna High | Western High |