Loara Elementary (Data source)
Source data for Loara 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 | 1413367 | 2392 | - | 2436 | = | -44 | * | (73 | / | 339) | = | -9.47492625 | ||
| 4 | 1413370 | 2425 | - | 2485 | = | -60 | * | (92 | / | 339) | = | -16.2831858 | ||
| 5 | 1413371 | 2448 | - | 2528 | = | -80 | * | (87 | / | 339) | = | -20.53097344 | ||
| 6 | 1413374 | 2462 | - | 2552 | = | -90 | * | (87 | / | 339) | = | -23.09734512 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Loara Elementary | -69 | ||||||||||||
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 | 44605 | 2364 | - | 2436 | = | -72 | * | (67 | / | 338) | = | -14.27218934 | ||
| 4 | 44606 | 2447 | - | 2485 | = | -38 | * | (83 | / | 338) | = | -9.33136094 | ||
| 5 | 44609 | 2459 | - | 2528 | = | -69 | * | (93 | / | 338) | = | -18.98520703 | ||
| 6 | 44610 | 2468 | - | 2552 | = | -84 | * | (95 | / | 338) | = | -23.60946739 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Loara Elementary | -66 | ||||||||||||
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 | 45775 | 2390 | - | 2436 | = | -46 | * | (75 | / | 315) | = | -10.95238095 | ||
| 4 | 45778 | 2415 | - | 2485 | = | -70 | * | (69 | / | 315) | = | -15.33333333 | ||
| 5 | 45780 | 2454 | - | 2528 | = | -74 | * | (82 | / | 315) | = | -19.26349204 | ||
| 6 | 45782 | 2473 | - | 2552 | = | -79 | * | (89 | / | 315) | = | -22.32063488 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Loara Elementary | -68 | ||||||||||||
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 | 45793 | 2390 | - | 2436 | = | -46 | * | (67 | / | 288) | = | -10.70138885 | ||
| 4 | 45795 | 2442 | - | 2485 | = | -43 | * | (78 | / | 288) | = | -11.64583332 | ||
| 5 | 45797 | 2455 | - | 2528 | = | -73 | * | (65 | / | 288) | = | -16.47569441 | ||
| 6 | 45799 | 2498 | - | 2552 | = | -54 | * | (78 | / | 288) | = | -14.62499998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Loara Elementary | -53 | ||||||||||||
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 | 45974 | 2398 | - | 2436 | = | -38 | * | (72 | / | 275) | = | -9.94909088 | ||
| 4 | 45975 | 2464 | - | 2485 | = | -21 | * | (69 | / | 275) | = | -5.26909089 | ||
| 5 | 45976 | 2465 | - | 2528 | = | -63 | * | (65 | / | 275) | = | -14.89090907 | ||
| 6 | 45977 | 2509 | - | 2552 | = | -43 | * | (69 | / | 275) | = | -10.78909087 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Loara Elementary | -41 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -69 | -66 | -68 | -53 | -41 | -297.0 | -59.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -23.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -95.4
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 | 79% | 69% | 81% | 82% | 82% |
| 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.
Loara Elementary math proficiency
Zero+ meets standard.
64% less $meal
59% less $meal
68% less $meal
71% less $meal
70% 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.