Del Rio Elementary (Data source)
Source data for Del Rio Elementary
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 | 2333058 | 2379 | - | 2436 | = | -57 | * | (89 | / | 237) | = | -21.40506328 | ||
| 4 | 2333059 | 2434 | - | 2485 | = | -51 | * | (84 | / | 237) | = | -18.07594933 | ||
| 5 | 2333062 | 2475 | - | 2528 | = | -53 | * | (64 | / | 237) | = | -14.31223628 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Del Rio Elementary | -54 | ||||||||||||
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 | 71331 | 2394 | - | 2436 | = | -42 | * | (79 | / | 245) | = | -13.54285712 | ||
| 4 | 71333 | 2421 | - | 2485 | = | -64 | * | (86 | / | 245) | = | -22.46530611 | ||
| 5 | 71336 | 2450 | - | 2528 | = | -78 | * | (80 | / | 245) | = | -25.46938774 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Del Rio Elementary | -61 | ||||||||||||
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 | 73207 | 2363 | - | 2436 | = | -73 | * | (61 | / | 213) | = | -20.90610325 | ||
| 4 | 73209 | 2415 | - | 2485 | = | -70 | * | (71 | / | 213) | = | -23.33333331 | ||
| 5 | 73211 | 2435 | - | 2528 | = | -93 | * | (81 | / | 213) | = | -35.36619717 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Del Rio Elementary | -80 | ||||||||||||
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 | 73343 | 2372 | - | 2436 | = | -64 | * | (66 | / | 191) | = | -22.11518323 | ||
| 4 | 73345 | 2416 | - | 2485 | = | -69 | * | (54 | / | 191) | = | -19.5078534 | ||
| 5 | 73347 | 2439 | - | 2528 | = | -89 | * | (71 | / | 191) | = | -33.08376957 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Del Rio Elementary | -75 | ||||||||||||
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 | 73803 | 2410 | - | 2436 | = | -26 | * | (60 | / | 169) | = | -9.23076921 | ||
| 4 | 73804 | 2421 | - | 2485 | = | -64 | * | (54 | / | 169) | = | -20.44970413 | ||
| 5 | 73805 | 2450 | - | 2528 | = | -78 | * | (55 | / | 169) | = | -25.38461531 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Del Rio Elementary | -55 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -54 | -61 | -80 | -75 | -55 | -325.0 | -65.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -98.0
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 | 89% | 84% | 87% | 87% | 90% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oceanside Unified school district | County of San Diego
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.
Del Rio Elementary math proficiency
Zero+ meets standard.
73% less $meal
68% less $meal
67% less $meal
73% less $meal
77% 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.