Wells Middle (Data source)
Source data for Wells Middle
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 | 117590 | 2521 | - | 2552 | = | -31 | * | (294 | / | 850) | = | -10.72235291 | ||
| 7 | 117591 | 2571 | - | 2567 | = | 4 | * | (280 | / | 850) | = | 1.31764706 | ||
| 8 | 117594 | 2577 | - | 2586 | = | -9 | * | (276 | / | 850) | = | -2.92235294 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wells Middle | -12 | ||||||||||||
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 | 3271 | 2547 | - | 2552 | = | -5 | * | (287 | / | 854) | = | -1.68032787 | ||
| 7 | 3274 | 2568 | - | 2567 | = | 1 | * | (284 | / | 854) | = | 0.33255269 | ||
| 8 | 3276 | 2583 | - | 2586 | = | -3 | * | (283 | / | 854) | = | -0.9941452 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wells Middle | -2 | ||||||||||||
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 | 3383 | 2555 | - | 2552 | = | 3 | * | (308 | / | 897) | = | 1.03010033 | ||
| 7 | 3385 | 2573 | - | 2567 | = | 6 | * | (293 | / | 897) | = | 1.95986622 | ||
| 8 | 3387 | 2574 | - | 2586 | = | -12 | * | (296 | / | 897) | = | -3.95986621 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wells Middle | -1 | ||||||||||||
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 | 3383 | 2553 | - | 2552 | = | 1 | * | (368 | / | 1024) | = | 0.359375 | ||
| 7 | 3385 | 2572 | - | 2567 | = | 5 | * | (331 | / | 1024) | = | 1.61621094 | ||
| 8 | 3387 | 2575 | - | 2586 | = | -11 | * | (325 | / | 1024) | = | -3.49121093 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wells Middle | -2 | ||||||||||||
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 | 3429 | 2557 | - | 2552 | = | 5 | * | (314 | / | 964) | = | 1.62863071 | ||
| 7 | 3430 | 2563 | - | 2567 | = | -4 | * | (343 | / | 964) | = | -1.42323651 | ||
| 8 | 3431 | 2579 | - | 2586 | = | -7 | * | (307 | / | 964) | = | -2.22925311 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wells Middle | -2 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -12 | -2 | -1 | -2 | -2 | -19.0 | -3.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 8.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -15.8
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 | 17% | 18% | 15% | 17% | 16% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Dublin 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.
Wells Middle math proficiency
Zero+ meets standard.
13% less $meal
15% less $meal
12% less $meal
15% less $meal
14% 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.
Intermediate/Middle Schools (Public) schools in Dublin Unified (2)
| Eleanor Murray Fallon | Wells Middle |