Stone Creek Elementary (Data source)
Source data for Stone Creek 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 | 1579251 | 2489 | - | 2436 | = | 53 | * | (88 | / | 373) | = | 12.5040214 | ||
| 4 | 1579254 | 2562 | - | 2485 | = | 77 | * | (92 | / | 373) | = | 18.99195706 | ||
| 5 | 1579255 | 2581 | - | 2528 | = | 53 | * | (99 | / | 373) | = | 14.0670241 | ||
| 6 | 1579258 | 2624 | - | 2552 | = | 72 | * | (94 | / | 373) | = | 18.14477206 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Stone Creek Elementary | 64 | ||||||||||||
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 | 49416 | 2485 | - | 2436 | = | 49 | * | (91 | / | 373) | = | 11.95442357 | ||
| 4 | 49419 | 2551 | - | 2485 | = | 66 | * | (93 | / | 373) | = | 16.45576403 | ||
| 5 | 49420 | 2578 | - | 2528 | = | 50 | * | (92 | / | 373) | = | 12.33243965 | ||
| 6 | 49422 | 2623 | - | 2552 | = | 71 | * | (97 | / | 373) | = | 18.46380695 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Stone Creek Elementary | 59 | ||||||||||||
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 | 50780 | 2492 | - | 2436 | = | 56 | * | (63 | / | 355) | = | 9.93802813 | ||
| 4 | 50783 | 2544 | - | 2485 | = | 59 | * | (98 | / | 355) | = | 16.28732394 | ||
| 5 | 50785 | 2567 | - | 2528 | = | 39 | * | (98 | / | 355) | = | 10.76619718 | ||
| 6 | 50787 | 2614 | - | 2552 | = | 62 | * | (96 | / | 355) | = | 16.76619717 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Stone Creek Elementary | 54 | ||||||||||||
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 | 50816 | 2483 | - | 2436 | = | 47 | * | (91 | / | 349) | = | 12.2550143 | ||
| 4 | 50818 | 2562 | - | 2485 | = | 77 | * | (65 | / | 349) | = | 14.34097419 | ||
| 5 | 50820 | 2565 | - | 2528 | = | 37 | * | (100 | / | 349) | = | 10.60171919 | ||
| 6 | 50822 | 2594 | - | 2552 | = | 42 | * | (93 | / | 349) | = | 11.19197705 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Stone Creek Elementary | 48 | ||||||||||||
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 | 51024 | 2484 | - | 2436 | = | 48 | * | (96 | / | 362) | = | 12.72928176 | ||
| 4 | 51025 | 2556 | - | 2485 | = | 71 | * | (100 | / | 362) | = | 19.6132596 | ||
| 5 | 51026 | 2578 | - | 2528 | = | 50 | * | (67 | / | 362) | = | 9.2541436 | ||
| 6 | 51027 | 2591 | - | 2552 | = | 39 | * | (99 | / | 362) | = | 10.66574582 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Stone Creek Elementary | 52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 64 | 59 | 54 | 48 | 52 | 277.0 | 55.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 73.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 37.4
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 | 6% | 10% | 10% | 12% | 13% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Irvine Unified school district | County of Orange
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.
Stone Creek Elementary math proficiency
Zero+ meets standard.
4% less $meal
5% less $meal
7% less $meal
11% less $meal
11% 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.