Del Rey Elementary (Data source)
Source data for Del Rey 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 | 1347907 | 2383 | - | 2436 | = | -53 | * | (117 | / | 348) | = | -17.81896549 | ||
| 4 | 1347908 | 2450 | - | 2485 | = | -35 | * | (116 | / | 348) | = | -11.66666666 | ||
| 5 | 1347911 | 2458 | - | 2528 | = | -70 | * | (115 | / | 348) | = | -23.1321839 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Del Rey Elementary | -53 | ||||||||||||
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 | 42419 | 2404 | - | 2436 | = | -32 | * | (103 | / | 336) | = | -9.80952381 | ||
| 4 | 42420 | 2430 | - | 2485 | = | -55 | * | (114 | / | 336) | = | -18.66071427 | ||
| 5 | 42422 | 2459 | - | 2528 | = | -69 | * | (119 | / | 336) | = | -24.43749995 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Del Rey Elementary | -53 | ||||||||||||
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 | 43480 | 2413 | - | 2436 | = | -23 | * | (95 | / | 320) | = | -6.828125 | ||
| 4 | 43482 | 2409 | - | 2485 | = | -76 | * | (109 | / | 320) | = | -25.8875 | ||
| 5 | 43484 | 2446 | - | 2528 | = | -82 | * | (116 | / | 320) | = | -29.725 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Del Rey Elementary | -62 | ||||||||||||
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 | 43504 | 2409 | - | 2436 | = | -27 | * | (100 | / | 310) | = | -8.70967742 | ||
| 4 | 43507 | 2439 | - | 2485 | = | -46 | * | (97 | / | 310) | = | -14.39354835 | ||
| 5 | 43508 | 2439 | - | 2528 | = | -89 | * | (113 | / | 310) | = | -32.44193548 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Del Rey Elementary | -56 | ||||||||||||
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 | 43631 | 2414 | - | 2436 | = | -22 | * | (108 | / | 317) | = | -7.49526813 | ||
| 4 | 43632 | 2438 | - | 2485 | = | -47 | * | (109 | / | 317) | = | -16.16088326 | ||
| 5 | 43633 | 2463 | - | 2528 | = | -65 | * | (100 | / | 317) | = | -20.50473185 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Del Rey Elementary | -44 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -53 | -53 | -62 | -56 | -44 | -268.0 | -53.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.6
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 | 89% | 88% | 89% | 90% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
King City Union school district | County of Monterey
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 Rey Elementary math proficiency
Zero+ meets standard.
82% less $meal
82% less $meal
85% less $meal
88% less $meal
87% 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 King City Union (3)
| Del Rey Elementary | King City Arts Magnet | Santa Lucia Elementary |