The Academy of Alameda (Data source)
Source data for The Academy of Alameda
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 |
||
| 6 | 7944 | 2566 | - | 2552 | = | 14 | * | (169 | / | 493) | = | 4.79918863 | ||
| 7 | 7945 | 2547 | - | 2567 | = | -20 | * | (168 | / | 493) | = | -6.81541582 | ||
| 8 | 7948 | 2585 | - | 2586 | = | -1 | * | (156 | / | 493) | = | -0.31643002 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for The Academy of Alameda | -2 | ||||||||||||
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 |
||
| 6 | 232 | 2534 | - | 2552 | = | -18 | * | (161 | / | 488) | = | -5.93852458 | ||
| 7 | 234 | 2598 | - | 2567 | = | 31 | * | (166 | / | 488) | = | 10.54508195 | ||
| 8 | 236 | 2572 | - | 2586 | = | -14 | * | (161 | / | 488) | = | -4.61885245 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for The Academy of Alameda | 0 | ||||||||||||
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 |
||
| 6 | 234 | 2542 | - | 2552 | = | -10 | * | (155 | / | 474) | = | -3.27004219 | ||
| 7 | 235 | 2577 | - | 2567 | = | 10 | * | (160 | / | 474) | = | 3.37552742 | ||
| 8 | 237 | 2612 | - | 2586 | = | 26 | * | (159 | / | 474) | = | 8.72151896 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for The Academy of Alameda | 9 | ||||||||||||
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 |
||
| 6 | 254 | 2555 | - | 2552 | = | 3 | * | (152 | / | 486) | = | 0.9382716 | ||
| 7 | 256 | 2557 | - | 2567 | = | -10 | * | (174 | / | 486) | = | -3.58024691 | ||
| 8 | 258 | 2584 | - | 2586 | = | -2 | * | (160 | / | 486) | = | -0.65843621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for The Academy of Alameda | -3 | ||||||||||||
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 |
||
| 6 | 281 | 2527 | - | 2552 | = | -25 | * | (168 | / | 483) | = | -8.69565215 | ||
| 7 | 282 | 2579 | - | 2567 | = | 12 | * | (151 | / | 483) | = | 3.75155279 | ||
| 8 | 283 | 2561 | - | 2586 | = | -25 | * | (164 | / | 483) | = | -8.48861283 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for The Academy of Alameda | -13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -2 | 0 | 9 | -3 | -13 | -9.0 | -1.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average:
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average:
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 | 38% | 25% | 35% | 38% | 48% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Alameda 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.
Intermediate/Middle Schools (Public) schools in Alameda Unified (2)
| Lincoln Middle | Will C. Wood Middle |