Orange Grove Elementary (Data source)
Source data for Orange Grove 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 | 1408915 | 2364 | - | 2436 | = | -72 | * | (96 | / | 347) | = | -19.91930832 | ||
| 4 | 1408918 | 2417 | - | 2485 | = | -68 | * | (90 | / | 347) | = | -17.63688759 | ||
| 5 | 1408919 | 2430 | - | 2528 | = | -98 | * | (76 | / | 347) | = | -21.46397686 | ||
| 6 | 1408922 | 2475 | - | 2552 | = | -77 | * | (85 | / | 347) | = | -18.86167144 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Orange Grove Elementary | -78 | ||||||||||||
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 | 44464 | 2371 | - | 2436 | = | -65 | * | (87 | / | 349) | = | -16.20343836 | ||
| 4 | 44466 | 2430 | - | 2485 | = | -55 | * | (97 | / | 349) | = | -15.28653291 | ||
| 5 | 44468 | 2428 | - | 2528 | = | -100 | * | (90 | / | 349) | = | -25.7879656 | ||
| 6 | 44471 | 2478 | - | 2552 | = | -74 | * | (75 | / | 349) | = | -15.90257876 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Orange Grove Elementary | -73 | ||||||||||||
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 | 45626 | 2350 | - | 2436 | = | -86 | * | (99 | / | 361) | = | -23.58448752 | ||
| 4 | 45627 | 2422 | - | 2485 | = | -63 | * | (81 | / | 361) | = | -14.13573405 | ||
| 5 | 45630 | 2428 | - | 2528 | = | -100 | * | (92 | / | 361) | = | -25.4847645 | ||
| 6 | 45631 | 2451 | - | 2552 | = | -101 | * | (89 | / | 361) | = | -24.900277 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Orange Grove Elementary | -88 | ||||||||||||
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 | 45643 | 2368 | - | 2436 | = | -68 | * | (88 | / | 350) | = | -17.09714283 | ||
| 4 | 45644 | 2414 | - | 2485 | = | -71 | * | (94 | / | 350) | = | -19.06857139 | ||
| 5 | 45647 | 2425 | - | 2528 | = | -103 | * | (82 | / | 350) | = | -24.13142854 | ||
| 6 | 45648 | 2465 | - | 2552 | = | -87 | * | (86 | / | 350) | = | -21.3771428 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Orange Grove Elementary | -82 | ||||||||||||
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 | 45824 | 2405 | - | 2436 | = | -31 | * | (82 | / | 337) | = | -7.5430267 | ||
| 4 | 45825 | 2429 | - | 2485 | = | -56 | * | (83 | / | 337) | = | -13.79228486 | ||
| 5 | 45826 | 2435 | - | 2528 | = | -93 | * | (92 | / | 337) | = | -25.38872398 | ||
| 6 | 45827 | 2467 | - | 2552 | = | -85 | * | (80 | / | 337) | = | -20.17804154 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Orange Grove Elementary | -67 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -78 | -73 | -88 | -82 | -67 | -388.0 | -77.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -53.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -101.6
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 | 94% | 88% | 90% | 93% | 91% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Anaheim Elementary 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.
Orange Grove Elementary math proficiency
Zero+ meets standard.
87% less $meal
83% less $meal
79% less $meal
87% less $meal
85% 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.