Covillaud Elementary (Data source)
Source data for Covillaud 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 | 3197397 | 2429 | - | 2436 | = | -7 | * | (88 | / | 212) | = | -2.90566037 | ||
| 4 | 3197398 | 2442 | - | 2485 | = | -43 | * | (67 | / | 212) | = | -13.58962261 | ||
| 5 | 3197401 | 2450 | - | 2528 | = | -78 | * | (57 | / | 212) | = | -20.97169807 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Covillaud Elementary | -37 | ||||||||||||
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 | 98564 | 2449 | - | 2436 | = | 13 | * | (88 | / | 244) | = | 4.68852458 | ||
| 4 | 98567 | 2480 | - | 2485 | = | -5 | * | (82 | / | 244) | = | -1.68032787 | ||
| 5 | 98568 | 2470 | - | 2528 | = | -58 | * | (74 | / | 244) | = | -17.5901639 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Covillaud Elementary | -15 | ||||||||||||
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 | 101432 | 2481 | - | 2436 | = | 45 | * | (84 | / | 240) | = | 15.75 | ||
| 4 | 101433 | 2476 | - | 2485 | = | -9 | * | (78 | / | 240) | = | -2.925 | ||
| 5 | 101436 | 2508 | - | 2528 | = | -20 | * | (78 | / | 240) | = | -6.5 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Covillaud Elementary | 6 | ||||||||||||
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 | 101586 | 2478 | - | 2436 | = | 42 | * | (66 | / | 226) | = | 12.26548672 | ||
| 4 | 101589 | 2500 | - | 2485 | = | 15 | * | (77 | / | 226) | = | 5.11061946 | ||
| 5 | 101590 | 2484 | - | 2528 | = | -44 | * | (83 | / | 226) | = | -16.15929203 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Covillaud Elementary | 1 | ||||||||||||
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 | 102237 | 2471 | - | 2436 | = | 35 | * | (80 | / | 212) | = | 13.20754715 | ||
| 4 | 102238 | 2501 | - | 2485 | = | 16 | * | (57 | / | 212) | = | 4.30188678 | ||
| 5 | 102239 | 2527 | - | 2528 | = | -1 | * | (75 | / | 212) | = | -0.35377358 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Covillaud Elementary | 17 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -37 | -15 | 6 | 1 | 17 | -28.0 | -5.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 54.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.6
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 | 81% | 78% | 78% | 80% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Marysville Joint Unified school district | County of Yuba
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.
Covillaud Elementary math proficiency
Zero+ meets standard.
70% less $meal
68% less $meal
68% less $meal
73% less $meal
73% 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.