Sky Country Elementary (Data source)
Source data for Sky Country 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 | 1692228 | 2409 | - | 2436 | = | -27 | * | (88 | / | 373) | = | -6.36997316 | ||
| 4 | 1692231 | 2445 | - | 2485 | = | -40 | * | (93 | / | 373) | = | -9.97319032 | ||
| 5 | 1692232 | 2453 | - | 2528 | = | -75 | * | (103 | / | 373) | = | -20.71045575 | ||
| 6 | 1692235 | 2493 | - | 2552 | = | -59 | * | (89 | / | 373) | = | -14.07774798 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sky Country Elementary | -51 | ||||||||||||
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 | 52780 | 2420 | - | 2436 | = | -16 | * | (111 | / | 431) | = | -4.12064965 | ||
| 4 | 52783 | 2446 | - | 2485 | = | -39 | * | (107 | / | 431) | = | -9.68213454 | ||
| 5 | 52784 | 2457 | - | 2528 | = | -71 | * | (106 | / | 431) | = | -17.46171693 | ||
| 6 | 52787 | 2475 | - | 2552 | = | -77 | * | (107 | / | 431) | = | -19.11600922 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sky Country Elementary | -50 | ||||||||||||
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 | 54299 | 2405 | - | 2436 | = | -31 | * | (128 | / | 464) | = | -8.55172411 | ||
| 4 | 54301 | 2456 | - | 2485 | = | -29 | * | (111 | / | 464) | = | -6.93749997 | ||
| 5 | 54303 | 2457 | - | 2528 | = | -71 | * | (109 | / | 464) | = | -16.6788793 | ||
| 6 | 54305 | 2468 | - | 2552 | = | -84 | * | (116 | / | 464) | = | -21.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sky Country Elementary | -53 | ||||||||||||
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 | 54413 | 2399 | - | 2436 | = | -37 | * | (139 | / | 499) | = | -10.30661322 | ||
| 4 | 54414 | 2445 | - | 2485 | = | -40 | * | (127 | / | 499) | = | -10.18036072 | ||
| 5 | 54417 | 2457 | - | 2528 | = | -71 | * | (117 | / | 499) | = | -16.64729453 | ||
| 6 | 54418 | 2467 | - | 2552 | = | -85 | * | (116 | / | 499) | = | -19.75951897 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sky Country Elementary | -57 | ||||||||||||
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 | 54656 | 2423 | - | 2436 | = | -13 | * | (67 | / | 257) | = | -3.38910506 | ||
| 4 | 54657 | 2445 | - | 2485 | = | -40 | * | (69 | / | 257) | = | -10.7392996 | ||
| 5 | 54658 | 2464 | - | 2528 | = | -64 | * | (58 | / | 257) | = | -14.44357971 | ||
| 6 | 54659 | 2501 | - | 2552 | = | -51 | * | (63 | / | 257) | = | -12.50194549 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sky Country Elementary | -41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -51 | -50 | -53 | -57 | -41 | -252.0 | -50.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -35.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.4
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 | 66% | 66% | 69% | 68% | 63% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Jurupa Unified school district | County of Riverside
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.
Sky Country Elementary math proficiency
Zero+ meets standard.
55% less $meal
56% less $meal
59% less $meal
62% 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.