Dewey Academy (Data source)
Source data for Dewey Academy
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 | 84606 | 2406 | - | 2628 | = | -222 | * | (16 | / | 16) | = | -222.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Dewey Academy | -222 | ||||||||||||
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 | 2369 | 2379 | - | 2628 | = | -249 | * | (58 | / | 58) | = | -249.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Dewey Academy | -249 | ||||||||||||
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 | 2422 | 2396 | - | 2628 | = | -232 | * | (39 | / | 39) | = | -232.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Dewey Academy | -232 | ||||||||||||
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 | 2417 | 2386 | - | 2628 | = | -242 | * | (37 | / | 37) | = | -242.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Dewey Academy | -242 | ||||||||||||
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 | 2431 | 2401 | - | 2628 | = | -227 | * | (37 | / | 37) | = | -227.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Dewey Academy | -227 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -222 | -249 | -232 | -242 | -227 | -1172.0 | -234.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -201.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -267.4
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 | 79% | 75% | 84% | 89% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oakland Unified school district | County of Alameda
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.
Dewey Academy math proficiency
Zero+ meets standard.
75% less $meal
71% less $meal
81% less $meal
85% less $meal
83% 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 Oakland Unified (3)
| Dewey Academy | Ralph J. Bunche High | Rudsdale Continuation |