Diablo View Middle (Data source)
Source data for Diablo View 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 | 216897 | 2546 | - | 2552 | = | -6 | * | (229 | / | 632) | = | -2.17405063 | ||
| 7 | 216898 | 2569 | - | 2567 | = | 2 | * | (197 | / | 632) | = | 0.62341772 | ||
| 8 | 216901 | 2600 | - | 2586 | = | 14 | * | (206 | / | 632) | = | 4.56329114 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Diablo View Middle | 3 | ||||||||||||
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 | 6413 | 2564 | - | 2552 | = | 12 | * | (241 | / | 676) | = | 4.2781065 | ||
| 7 | 6415 | 2543 | - | 2567 | = | -24 | * | (236 | / | 676) | = | -8.37869822 | ||
| 8 | 6418 | 2604 | - | 2586 | = | 18 | * | (199 | / | 676) | = | 5.29881656 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Diablo View Middle | 1 | ||||||||||||
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 | 6590 | 2536 | - | 2552 | = | -16 | * | (242 | / | 710) | = | -5.45352112 | ||
| 7 | 6592 | 2580 | - | 2567 | = | 13 | * | (240 | / | 710) | = | 4.3943662 | ||
| 8 | 6594 | 2587 | - | 2586 | = | 1 | * | (228 | / | 710) | = | 0.32112676 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Diablo View 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 | 6593 | 2542 | - | 2552 | = | -10 | * | (208 | / | 686) | = | -3.03206997 | ||
| 7 | 6595 | 2561 | - | 2567 | = | -6 | * | (242 | / | 686) | = | -2.11661807 | ||
| 8 | 6597 | 2611 | - | 2586 | = | 25 | * | (236 | / | 686) | = | 8.60058308 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Diablo View Middle | 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 | 6649 | 2540 | - | 2552 | = | -12 | * | (209 | / | 666) | = | -3.76576576 | ||
| 7 | 6650 | 2549 | - | 2567 | = | -18 | * | (208 | / | 666) | = | -5.62162162 | ||
| 8 | 6651 | 2589 | - | 2586 | = | 3 | * | (249 | / | 666) | = | 1.12162162 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Diablo View Middle | -8 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 3 | 1 | -1 | 3 | -8 | -2.0 | -0.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 11.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -12.4
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 | 16% | 17% | 16% | 19% | 21% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Mt. Diablo Unified school district | County of Contra Costa
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.
Diablo View Middle math proficiency
Zero+ meets standard.
13% less $meal
13% less $meal
12% less $meal
17% less $meal
18% 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 Mt. Diablo Unified (9)
| Diablo View Middle | El Dorado Middle | Foothill Middle |
| Oak Grove Middle | Pine Hollow Middle | Pleasant Hill Middle |
| Riverview Middle | Sequoia Middle | Valley View Middle |