Rio del Valle Middle (Data source)
Source data for Rio del Valle 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 | 3131591 | 2461 | - | 2552 | = | -91 | * | (238 | / | 730) | = | -29.66849313 | ||
| 7 | 3131592 | 2476 | - | 2567 | = | -91 | * | (252 | / | 730) | = | -31.41369859 | ||
| 8 | 3131595 | 2488 | - | 2586 | = | -98 | * | (240 | / | 730) | = | -32.21917805 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rio del Valle Middle | -93 | ||||||||||||
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 | 96552 | 2463 | - | 2552 | = | -89 | * | (206 | / | 690) | = | -26.57101444 | ||
| 7 | 96555 | 2495 | - | 2567 | = | -72 | * | (230 | / | 690) | = | -23.99999998 | ||
| 8 | 96557 | 2495 | - | 2586 | = | -91 | * | (254 | / | 690) | = | -33.49855072 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rio del Valle Middle | -84 | ||||||||||||
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 | 99354 | 2459 | - | 2552 | = | -93 | * | (243 | / | 684) | = | -33.0394736 | ||
| 7 | 99355 | 2475 | - | 2567 | = | -92 | * | (209 | / | 684) | = | -28.11111106 | ||
| 8 | 99357 | 2519 | - | 2586 | = | -67 | * | (232 | / | 684) | = | -22.72514616 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rio del Valle Middle | -84 | ||||||||||||
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 | 99513 | 2460 | - | 2552 | = | -92 | * | (291 | / | 750) | = | -35.696 | ||
| 7 | 99515 | 2470 | - | 2567 | = | -97 | * | (239 | / | 750) | = | -30.9106666 | ||
| 8 | 99517 | 2517 | - | 2586 | = | -69 | * | (220 | / | 750) | = | -20.23999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rio del Valle Middle | -87 | ||||||||||||
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 | 100177 | 2482 | - | 2552 | = | -70 | * | (237 | / | 777) | = | -21.35135135 | ||
| 7 | 100178 | 2463 | - | 2567 | = | -104 | * | (296 | / | 777) | = | -39.61904752 | ||
| 8 | 100179 | 2495 | - | 2586 | = | -91 | * | (244 | / | 777) | = | -28.57657657 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rio del Valle Middle | -90 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -93 | -84 | -84 | -87 | -90 | -438.0 | -87.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -78.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -96.6
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 | 81% | 85% | 80% | 77% | 77% |
| 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 del Valle Middle math proficiency
Zero+ meets standard.
68% less $meal
70% less $meal
66% less $meal
64% less $meal
68% 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 |