Rio Rosales (Data source)
Source data for Rio Rosales
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 |
||
3 | 3132721 | 2403 | - | 2436 | = | -33 | * | (82 | / | 247) | = | -10.95546557 | ||
4 | 3132722 | 2416 | - | 2485 | = | -69 | * | (83 | / | 247) | = | -23.18623477 | ||
5 | 3132725 | 2457 | - | 2528 | = | -71 | * | (82 | / | 247) | = | -23.57085016 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rio Rosales | -58 |
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 |
||
3 | 96590 | 2401 | - | 2436 | = | -35 | * | (93 | / | 266) | = | -12.2368421 | ||
4 | 96592 | 2427 | - | 2485 | = | -58 | * | (84 | / | 266) | = | -18.31578943 | ||
5 | 96594 | 2455 | - | 2528 | = | -73 | * | (89 | / | 266) | = | -24.42481202 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rio Rosales | -55 |
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 |
||
3 | 99392 | 2426 | - | 2436 | = | -10 | * | (90 | / | 282) | = | -3.19148936 | ||
4 | 99394 | 2431 | - | 2485 | = | -54 | * | (98 | / | 282) | = | -18.76595742 | ||
5 | 99396 | 2463 | - | 2528 | = | -65 | * | (94 | / | 282) | = | -21.66666665 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rio Rosales | -44 |
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 |
||
3 | 99550 | 2431 | - | 2436 | = | -5 | * | (95 | / | 281) | = | -1.69039146 | ||
4 | 99553 | 2474 | - | 2485 | = | -11 | * | (89 | / | 281) | = | -3.48398576 | ||
5 | 99554 | 2447 | - | 2528 | = | -81 | * | (97 | / | 281) | = | -27.96085405 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rio Rosales | -33 |
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 |
||
3 | 100215 | 2432 | - | 2436 | = | -4 | * | (86 | / | 261) | = | -1.31800766 | ||
4 | 100216 | 2454 | - | 2485 | = | -31 | * | (90 | / | 261) | = | -10.68965517 | ||
5 | 100217 | 2488 | - | 2528 | = | -40 | * | (85 | / | 261) | = | -13.02681992 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rio Rosales | -25 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-58 | -55 | -44 | -33 | -25 | -215.0 | -43.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -85.0
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 | 68% | 72% | 69% | 66% | 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 Rosales math proficiency
Zero+ meets standard.

51% less $meal

59% less $meal

57% less $meal

55% less $meal

56% 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.
Elementary School (Public) schools in Rio Elementary (7)
Rio Del Mar | Rio del Norte | Rio del Sol |
Rio Lindo Elementary | Rio Plaza Elementary | Rio Real Elementary |
Rio Rosales |