Vista del Mar Middle (Data source)
Source data for Vista del Mar Middle
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 |
||
| 6 | 1429917 | 2567 | - | 2552 | = | 15 | * | (201 | / | 596) | = | 5.05872483 | ||
| 7 | 1429920 | 2631 | - | 2567 | = | 64 | * | (189 | / | 596) | = | 20.29530195 | ||
| 8 | 1429921 | 2640 | - | 2586 | = | 54 | * | (206 | / | 596) | = | 18.66442948 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vista del Mar Middle | 44 | ||||||||||||
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 |
||
| 6 | 45034 | 2603 | - | 2552 | = | 51 | * | (215 | / | 596) | = | 18.39765101 | ||
| 7 | 45037 | 2612 | - | 2567 | = | 45 | * | (195 | / | 596) | = | 14.72315436 | ||
| 8 | 45038 | 2643 | - | 2586 | = | 57 | * | (186 | / | 596) | = | 17.78859055 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vista del Mar Middle | 51 | ||||||||||||
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 |
||
| 6 | 46237 | 2589 | - | 2552 | = | 37 | * | (230 | / | 652) | = | 13.05214723 | ||
| 7 | 46238 | 2626 | - | 2567 | = | 59 | * | (215 | / | 652) | = | 19.45552146 | ||
| 8 | 46240 | 2628 | - | 2586 | = | 42 | * | (207 | / | 652) | = | 13.3343558 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vista del Mar Middle | 46 | ||||||||||||
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 |
||
| 6 | 46246 | 2600 | - | 2552 | = | 48 | * | (194 | / | 622) | = | 14.97106109 | ||
| 7 | 46249 | 2620 | - | 2567 | = | 53 | * | (219 | / | 622) | = | 18.6607717 | ||
| 8 | 46250 | 2657 | - | 2586 | = | 71 | * | (209 | / | 622) | = | 23.85691313 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vista del Mar Middle | 57 | ||||||||||||
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 |
||
| 6 | 46421 | 2600 | - | 2552 | = | 48 | * | (255 | / | 669) | = | 18.29596411 | ||
| 7 | 46422 | 2608 | - | 2567 | = | 41 | * | (199 | / | 669) | = | 12.19581461 | ||
| 8 | 46423 | 2629 | - | 2586 | = | 43 | * | (215 | / | 669) | = | 13.819133 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vista del Mar Middle | 44 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 44 | 51 | 46 | 57 | 44 | 242.0 | 48.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 63.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 33.4
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 | 10% | 9% | 11% | 13% | 10% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Capistrano Unified 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.
Vista del Mar Middle math proficiency
Zero+ meets standard.
8% less $meal
6% less $meal
9% less $meal
12% less $meal
8% 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.