Vineyard Alternative (Data source)
Source data for Vineyard Alternative
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 | 56014 | 0 | - | 2436 | = | * | (0 | / | 30) | = | ||||
| 4 | 56015 | 0 | - | 2485 | = | * | (0 | / | 30) | = | ||||
| 6 | 56018 | 0 | - | 2552 | = | * | (3 | / | 30) | = | ||||
| 7 | 56019 | 0 | - | 2567 | = | * | (2 | / | 30) | = | ||||
| 8 | 56022 | 2471 | - | 2586 | = | -115 | * | (11 | / | 30) | = | -42.16666659 | ||
| 11 | 56023 | 2580 | - | 2628 | = | -48 | * | (14 | / | 30) | = | -22.39999997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vineyard Alternative | -65 | ||||||||||||
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 | 1474 | 0 | - | 2436 | = | * | (1 | / | 30) | = | ||||
| 4 | 1475 | 0 | - | 2485 | = | * | (0 | / | 30) | = | ||||
| 5 | 1478 | 0 | - | 2528 | = | * | (2 | / | 30) | = | ||||
| 6 | 1479 | 0 | - | 2552 | = | * | (1 | / | 30) | = | ||||
| 7 | 1481 | 0 | - | 2567 | = | * | (7 | / | 30) | = | ||||
| 8 | 1483 | 0 | - | 2586 | = | * | (2 | / | 30) | = | ||||
| 11 | 1485 | 2544 | - | 2628 | = | -84 | * | (17 | / | 30) | = | -47.59999994 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vineyard Alternative | -48 | ||||||||||||
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 |
||
| 4 | 1512 | 0 | - | 2485 | = | * | (0 | / | 46) | = | ||||
| 5 | 1514 | 0 | - | 2528 | = | * | (0 | / | 46) | = | ||||
| 6 | 1516 | 0 | - | 2552 | = | * | (0 | / | 46) | = | ||||
| 7 | 1517 | 0 | - | 2567 | = | * | (0 | / | 46) | = | ||||
| 8 | 1520 | 0 | - | 2586 | = | * | (0 | / | 46) | = | ||||
| 11 | 1522 | 2528 | - | 2628 | = | -100 | * | (31 | / | 46) | = | -67.3913043 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vineyard Alternative | -67 | ||||||||||||
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 | 1523 | 0 | - | 2552 | = | * | (0 | / | 55) | = | ||||
| 7 | 1525 | 0 | - | 2567 | = | * | (0 | / | 55) | = | ||||
| 8 | 1527 | 0 | - | 2586 | = | * | (0 | / | 55) | = | ||||
| 11 | 1529 | 2503 | - | 2628 | = | -125 | * | (45 | / | 55) | = | -102.27272725 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vineyard Alternative | -102 | ||||||||||||
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 |
||
| 5 | 1551 | 0 | - | 2528 | = | * | (0 | / | 58) | = | ||||
| 6 | 1552 | 0 | - | 2552 | = | * | (4 | / | 58) | = | ||||
| 7 | 1553 | 0 | - | 2567 | = | * | (4 | / | 58) | = | ||||
| 8 | 1554 | 0 | - | 2586 | = | * | (10 | / | 58) | = | ||||
| 11 | 1555 | 2506 | - | 2628 | = | -122 | * | (39 | / | 58) | = | -82.03448275 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vineyard Alternative | -82 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -65 | -48 | -67 | -102 | -82 | -364.0 | -72.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -12.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -132.8
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 | 17% | 19% | 22% | 23% | 30% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Livermore Valley Joint Unified school district | County of Alameda
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.
Vineyard Alternative math proficiency
Zero+ meets standard.
14% less $meal
18% less $meal
18% less $meal
23% less $meal
30% 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.
Alternative Schools of Choice schools in Livermore Valley Joint Unified (1)
| Vineyard Alternative |