Madrona Elementary (Data source)
Source data for Madrona 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 | 3154439 | 2435 | - | 2436 | = | -1 | * | (73 | / | 246) | = | -0.29674797 | ||
| 4 | 3154442 | 2503 | - | 2485 | = | 18 | * | (86 | / | 246) | = | 6.29268291 | ||
| 5 | 3154443 | 2527 | - | 2528 | = | -1 | * | (87 | / | 246) | = | -0.35365854 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Madrona Elementary | 6 | ||||||||||||
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 | 97218 | 2452 | - | 2436 | = | 16 | * | (71 | / | 232) | = | 4.89655171 | ||
| 4 | 97221 | 2496 | - | 2485 | = | 11 | * | (76 | / | 232) | = | 3.60344827 | ||
| 5 | 97222 | 2529 | - | 2528 | = | 1 | * | (85 | / | 232) | = | 0.36637931 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Madrona Elementary | 9 | ||||||||||||
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 | 100043 | 2446 | - | 2436 | = | 10 | * | (62 | / | 203) | = | 3.05418719 | ||
| 4 | 100046 | 2501 | - | 2485 | = | 16 | * | (63 | / | 203) | = | 4.96551723 | ||
| 5 | 100048 | 2522 | - | 2528 | = | -6 | * | (78 | / | 203) | = | -2.30541872 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Madrona 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 | 100198 | 2439 | - | 2436 | = | 3 | * | (56 | / | 185) | = | 0.90810811 | ||
| 4 | 100201 | 2489 | - | 2485 | = | 4 | * | (59 | / | 185) | = | 1.27567567 | ||
| 5 | 100202 | 2519 | - | 2528 | = | -9 | * | (70 | / | 185) | = | -3.4054054 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Madrona 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 | 100863 | 2437 | - | 2436 | = | 1 | * | (63 | / | 176) | = | 0.35795455 | ||
| 4 | 100864 | 2482 | - | 2485 | = | -3 | * | (57 | / | 176) | = | -0.97159091 | ||
| 5 | 100865 | 2540 | - | 2528 | = | 12 | * | (56 | / | 176) | = | 3.81818182 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Madrona Elementary | 3 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 6 | 9 | 6 | -1 | 3 | 23.0 | 4.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 13.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -4.4
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 | 25% | 29% | 33% | 36% | 40% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Conejo Valley Unified school district | County of Ventura
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.
Madrona Elementary math proficiency
Zero+ meets standard.
23% less $meal
27% less $meal
27% less $meal
32% less $meal
36% 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.