Grace M. Davis High (Data source)
Source data for Grace M. Davis 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 | 2946964 | 2497 | - | 2628 | = | -131 | * | (332 | / | 332) | = | -131.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Grace M. Davis High | -131 | ||||||||||||
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 | 90191 | 2497 | - | 2628 | = | -131 | * | (381 | / | 381) | = | -131.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Grace M. Davis High | -131 | ||||||||||||
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 | 92826 | 2495 | - | 2628 | = | -133 | * | (393 | / | 393) | = | -133.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Grace M. Davis High | -133 | ||||||||||||
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 | 93025 | 2499 | - | 2628 | = | -129 | * | (423 | / | 423) | = | -129.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Grace M. Davis High | -129 | ||||||||||||
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 | 93681 | 2504 | - | 2628 | = | -124 | * | (417 | / | 417) | = | -124.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Grace M. Davis High | -124 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -131 | -131 | -133 | -129 | -124 | -648.0 | -129.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -120.6
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 | 74% | 78% | 77% | 80% | 77% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Modesto City High school district | County of Stanislaus
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.
Grace M. Davis High math proficiency
Zero+ meets standard.
66% less $meal
68% less $meal
68% less $meal
74% less $meal
72% 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 Modesto City High (7)
| Fred C. Beyer High | Grace M. Davis High | James C. Enochs High |
| Joseph A. Gregori High | Modesto High | Peter Johansen High |
| Thomas Downey High |