Erma Duncan Polytechnical High (Data source)
Source data for Erma Duncan Polytechnical 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 | 318272 | 2532 | - | 2628 | = | -96 | * | (214 | / | 214) | = | -96.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Erma Duncan Polytechnical High | -96 | ||||||||||||
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 | 9499 | 2548 | - | 2628 | = | -80 | * | (230 | / | 230) | = | -80.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Erma Duncan Polytechnical High | -80 | ||||||||||||
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 | 9813 | 2526 | - | 2628 | = | -102 | * | (216 | / | 216) | = | -102.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Erma Duncan Polytechnical High | -102 | ||||||||||||
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 | 9835 | 2525 | - | 2628 | = | -103 | * | (222 | / | 222) | = | -103.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Erma Duncan Polytechnical High | -103 | ||||||||||||
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 | 9911 | 2511 | - | 2628 | = | -117 | * | (259 | / | 259) | = | -117.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Erma Duncan Polytechnical High | -117 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -96 | -80 | -102 | -103 | -117 | -498.0 | -99.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -60.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -138.6
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 | 89% | 90% | 92% | 87% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Fresno Unified school district | County of Fresno
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.
Erma Duncan Polytechnical High math proficiency
Zero+ meets standard.
64% less $meal
61% less $meal
60% less $meal
67% less $meal
67% 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 Fresno Unified (9)
| Bullard High | Edison High | Erma Duncan Polytechnical High |
| Fresno High | Herbert Hoover High | McLane High |
| Phillip J Patino School of Entrepreneurship | Roosevelt High | Sunnyside High |