Irwin High (Continuation) (Data source)
Source data for Irwin High (Continuation)
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 | 1299580 | 2438 | - | 2628 | = | -190 | * | (17 | / | 17) | = | -190.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Irwin High (Continuation) | -190 | ||||||||||||
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 | 40759 | 2433 | - | 2628 | = | -195 | * | (16 | / | 16) | = | -195.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Irwin High (Continuation) | -195 | ||||||||||||
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 | 41761 | 2429 | - | 2628 | = | -199 | * | (18 | / | 18) | = | -199.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Irwin High (Continuation) | -199 | ||||||||||||
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 | 41794 | 2412 | - | 2628 | = | -216 | * | (25 | / | 25) | = | -216.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Irwin High (Continuation) | -216 | ||||||||||||
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 | 41938 | 2417 | - | 2628 | = | -211 | * | (11 | / | 11) | = | -211.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Irwin High (Continuation) | -211 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -190 | -195 | -199 | -216 | -211 | -1011.0 | -202.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -172.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -232.2
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 | 77% | 87% | 63% | 86% | 65% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Hilmar Unified school district | County of Merced
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.
Irwin High (Continuation) math proficiency
Zero+ meets standard.
65% less $meal
74% less $meal
61% less $meal
83% 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.
Continuation High Schools schools in Hilmar Unified (1)
| Irwin High (Continuation) |