Rio Vista Middle (Data source)
Source data for Rio Vista 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 | 3131217 | 2467 | - | 2552 | = | -85 | * | (246 | / | 757) | = | -27.62219279 | ||
| 7 | 3131218 | 2476 | - | 2567 | = | -91 | * | (264 | / | 757) | = | -31.73579919 | ||
| 8 | 3131221 | 2494 | - | 2586 | = | -92 | * | (247 | / | 757) | = | -30.01849398 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rio Vista Middle | -89 | ||||||||||||
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 | 96545 | 2474 | - | 2552 | = | -78 | * | (253 | / | 772) | = | -25.56217615 | ||
| 7 | 96547 | 2480 | - | 2567 | = | -87 | * | (256 | / | 772) | = | -28.84974088 | ||
| 8 | 96548 | 2492 | - | 2586 | = | -94 | * | (263 | / | 772) | = | -32.02331605 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rio Vista Middle | -86 | ||||||||||||
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 | 99339 | 2469 | - | 2552 | = | -83 | * | (253 | / | 783) | = | -26.81864618 | ||
| 7 | 99342 | 2477 | - | 2567 | = | -90 | * | (266 | / | 783) | = | -30.57471261 | ||
| 8 | 99343 | 2509 | - | 2586 | = | -77 | * | (264 | / | 783) | = | -25.96168575 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rio Vista Middle | -83 | ||||||||||||
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 | 99499 | 2466 | - | 2552 | = | -86 | * | (255 | / | 784) | = | -27.97193877 | ||
| 7 | 99500 | 2486 | - | 2567 | = | -81 | * | (253 | / | 784) | = | -26.13903056 | ||
| 8 | 99503 | 2482 | - | 2586 | = | -104 | * | (276 | / | 784) | = | -36.61224486 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rio Vista Middle | -91 | ||||||||||||
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 | 100159 | 2467 | - | 2552 | = | -85 | * | (198 | / | 709) | = | -23.73765862 | ||
| 7 | 100160 | 2485 | - | 2567 | = | -82 | * | (259 | / | 709) | = | -29.95486601 | ||
| 8 | 100161 | 2498 | - | 2586 | = | -88 | * | (252 | / | 709) | = | -31.2778561 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rio Vista Middle | -85 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -89 | -86 | -83 | -91 | -85 | -434.0 | -86.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -77.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -95.8
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 | 71% | 83% | 76% | 70% | 68% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rio Elementary school district | County of Ventura
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.
Rio Vista Middle math proficiency
Zero+ meets standard.
57% less $meal
65% less $meal
61% less $meal
57% less $meal
58% 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 Rio Elementary (2)
| Rio del Valle Middle | Rio Vista Middle |