Rio del Norte (Data source)
Source data for Rio del Norte
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 | 3133018 | 2389 | - | 2436 | = | -47 | * | (94 | / | 273) | = | -16.18315017 | ||
| 4 | 3133021 | 2434 | - | 2485 | = | -51 | * | (97 | / | 273) | = | -18.12087911 | ||
| 5 | 3133022 | 2440 | - | 2528 | = | -88 | * | (82 | / | 273) | = | -26.4322344 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rio del Norte | -61 | ||||||||||||
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 | 96599 | 2391 | - | 2436 | = | -45 | * | (99 | / | 299) | = | -14.89966551 | ||
| 4 | 96601 | 2426 | - | 2485 | = | -59 | * | (97 | / | 299) | = | -19.14046819 | ||
| 5 | 96602 | 2443 | - | 2528 | = | -85 | * | (103 | / | 299) | = | -29.28093643 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rio del Norte | -63 | ||||||||||||
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 | 99399 | 2406 | - | 2436 | = | -30 | * | (99 | / | 294) | = | -10.10204079 | ||
| 4 | 99402 | 2439 | - | 2485 | = | -46 | * | (100 | / | 294) | = | -15.64625848 | ||
| 5 | 99404 | 2439 | - | 2528 | = | -89 | * | (95 | / | 294) | = | -28.75850334 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rio del Norte | -55 | ||||||||||||
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 | 99558 | 2403 | - | 2436 | = | -33 | * | (90 | / | 285) | = | -10.42105261 | ||
| 4 | 99561 | 2440 | - | 2485 | = | -45 | * | (94 | / | 285) | = | -14.84210525 | ||
| 5 | 99562 | 2435 | - | 2528 | = | -93 | * | (101 | / | 285) | = | -32.95789465 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rio del Norte | -58 | ||||||||||||
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 | 100223 | 2403 | - | 2436 | = | -33 | * | (94 | / | 256) | = | -12.1171875 | ||
| 4 | 100224 | 2439 | - | 2485 | = | -46 | * | (74 | / | 256) | = | -13.296875 | ||
| 5 | 100225 | 2440 | - | 2528 | = | -88 | * | (88 | / | 256) | = | -30.25 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rio del Norte | -56 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -61 | -63 | -55 | -58 | -56 | -293.0 | -58.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -49.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.6
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 | 63% | 73% | 73% | 72% | 74% |
| 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 Norte math proficiency
Zero+ meets standard.
48% less $meal
59% less $meal
61% less $meal
62% less $meal
65% 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 |