Rio Del Mar (Data source)
Source data for Rio Del Mar
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 | 3130923 | 2419 | - | 2436 | = | -17 | * | (89 | / | 247) | = | -6.12550606 | ||
| 4 | 3130924 | 2443 | - | 2485 | = | -42 | * | (80 | / | 247) | = | -13.60323884 | ||
| 5 | 3130927 | 2441 | - | 2528 | = | -87 | * | (78 | / | 247) | = | -27.47368415 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rio Del Mar | -47 | ||||||||||||
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 | 96537 | 2445 | - | 2436 | = | 9 | * | (89 | / | 272) | = | 2.94485294 | ||
| 4 | 96539 | 2454 | - | 2485 | = | -31 | * | (101 | / | 272) | = | -11.5110294 | ||
| 5 | 96540 | 2472 | - | 2528 | = | -56 | * | (82 | / | 272) | = | -16.88235293 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rio Del Mar | -25 | ||||||||||||
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 | 99332 | 2446 | - | 2436 | = | 10 | * | (87 | / | 291) | = | 2.98969072 | ||
| 4 | 99333 | 2467 | - | 2485 | = | -18 | * | (95 | / | 291) | = | -5.87628866 | ||
| 5 | 99335 | 2469 | - | 2528 | = | -59 | * | (109 | / | 291) | = | -22.09965631 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rio Del Mar | -25 | ||||||||||||
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 | 99490 | 2450 | - | 2436 | = | 14 | * | (88 | / | 282) | = | 4.36879432 | ||
| 4 | 99493 | 2461 | - | 2485 | = | -24 | * | (93 | / | 282) | = | -7.91489362 | ||
| 5 | 99494 | 2482 | - | 2528 | = | -46 | * | (101 | / | 282) | = | -16.47517729 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rio Del Mar | -20 | ||||||||||||
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 | 100151 | 2435 | - | 2436 | = | -1 | * | (81 | / | 233) | = | -0.34763948 | ||
| 4 | 100152 | 2471 | - | 2485 | = | -14 | * | (67 | / | 233) | = | -4.02575107 | ||
| 5 | 100153 | 2483 | - | 2528 | = | -45 | * | (85 | / | 233) | = | -16.41630897 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rio Del Mar | -21 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -47 | -25 | -25 | -20 | -21 | -138.0 | -27.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 5.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -60.6
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 | 73% | 72% | 64% | 58% | 66% |
| 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 Mar math proficiency
Zero+ meets standard.
57% less $meal
59% less $meal
54% less $meal
44% less $meal
54% 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 |