Coronita Elementary (Data source)
Source data for Coronita 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 | 1660141 | 2404 | - | 2436 | = | -32 | * | (94 | / | 355) | = | -8.47323942 | ||
| 4 | 1660142 | 2442 | - | 2485 | = | -43 | * | (93 | / | 355) | = | -11.26478869 | ||
| 5 | 1660145 | 2448 | - | 2528 | = | -80 | * | (73 | / | 355) | = | -16.45070416 | ||
| 6 | 1660146 | 2465 | - | 2552 | = | -87 | * | (95 | / | 355) | = | -23.28169007 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Coronita Elementary | -59 | ||||||||||||
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 | 51825 | 2432 | - | 2436 | = | -4 | * | (68 | / | 318) | = | -0.85534591 | ||
| 4 | 51826 | 2466 | - | 2485 | = | -19 | * | (88 | / | 318) | = | -5.25786162 | ||
| 5 | 51829 | 2457 | - | 2528 | = | -71 | * | (83 | / | 318) | = | -18.53144652 | ||
| 6 | 51831 | 2490 | - | 2552 | = | -62 | * | (79 | / | 318) | = | -15.40251566 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Coronita Elementary | -40 | ||||||||||||
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 | 53348 | 2417 | - | 2436 | = | -19 | * | (83 | / | 322) | = | -4.89751553 | ||
| 4 | 53349 | 2481 | - | 2485 | = | -4 | * | (66 | / | 322) | = | -0.81987578 | ||
| 5 | 53351 | 2446 | - | 2528 | = | -82 | * | (92 | / | 322) | = | -23.42857137 | ||
| 6 | 53353 | 2473 | - | 2552 | = | -79 | * | (81 | / | 322) | = | -19.87267081 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Coronita Elementary | -49 | ||||||||||||
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 | 53436 | 2422 | - | 2436 | = | -14 | * | (75 | / | 310) | = | -3.38709676 | ||
| 4 | 53439 | 2456 | - | 2485 | = | -29 | * | (83 | / | 310) | = | -7.76451612 | ||
| 5 | 53440 | 2482 | - | 2528 | = | -46 | * | (61 | / | 310) | = | -9.05161288 | ||
| 6 | 53443 | 2489 | - | 2552 | = | -63 | * | (91 | / | 310) | = | -18.49354838 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Coronita Elementary | -39 | ||||||||||||
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 | 53672 | 2443 | - | 2436 | = | 7 | * | (86 | / | 303) | = | 1.98679867 | ||
| 4 | 53673 | 2463 | - | 2485 | = | -22 | * | (77 | / | 303) | = | -5.59075906 | ||
| 5 | 53674 | 2445 | - | 2528 | = | -83 | * | (82 | / | 303) | = | -22.46204615 | ||
| 6 | 53675 | 2508 | - | 2552 | = | -44 | * | (58 | / | 303) | = | -8.4224422 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Coronita Elementary | -34 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -59 | -40 | -49 | -39 | -34 | -221.0 | -44.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -71.2
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 | 87% | 83% | 84% | 84% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco 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.
Coronita Elementary math proficiency
Zero+ meets standard.
72% less $meal
69% less $meal
66% less $meal
70% 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.