Leggett Valley Elementary (Data source)
Source data for Leggett Valley 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 | 1290857 | 0 | - | 2436 | = | * | (10 | / | 32) | = | ||||
| 4 | 1290858 | 0 | - | 2485 | = | * | (5 | / | 32) | = | ||||
| 5 | 1290861 | 0 | - | 2528 | = | * | (4 | / | 32) | = | ||||
| 6 | 1290862 | 0 | - | 2552 | = | * | (2 | / | 32) | = | ||||
| 7 | 1290865 | 0 | - | 2567 | = | * | (6 | / | 32) | = | ||||
| 8 | 1290866 | 0 | - | 2586 | = | * | (5 | / | 32) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Leggett Valley Elementary | |||||||||||||
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 | 40456 | 0 | - | 2436 | = | * | (2 | / | 31) | = | ||||
| 4 | 40459 | 2422 | - | 2485 | = | -63 | * | (12 | / | 31) | = | -24.38709676 | ||
| 5 | 40460 | 0 | - | 2528 | = | * | (5 | / | 31) | = | ||||
| 6 | 40463 | 0 | - | 2552 | = | * | (4 | / | 31) | = | ||||
| 7 | 40465 | 0 | - | 2567 | = | * | (3 | / | 31) | = | ||||
| 8 | 40466 | 0 | - | 2586 | = | * | (5 | / | 31) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Leggett Valley Elementary | -24 | ||||||||||||
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 | 41463 | 0 | - | 2436 | = | * | (0 | / | 35) | = | ||||
| 4 | 41466 | 0 | - | 2485 | = | * | (0 | / | 35) | = | ||||
| 5 | 41467 | 0 | - | 2528 | = | * | (0 | / | 35) | = | ||||
| 6 | 41470 | 0 | - | 2552 | = | * | (0 | / | 35) | = | ||||
| 7 | 41472 | 0 | - | 2567 | = | * | (0 | / | 35) | = | ||||
| 8 | 41474 | 0 | - | 2586 | = | * | (0 | / | 35) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Leggett Valley Elementary | |||||||||||||
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 | 41492 | 0 | - | 2436 | = | * | (0 | / | 42) | = | ||||
| 4 | 41495 | 0 | - | 2485 | = | * | (0 | / | 42) | = | ||||
| 5 | 41496 | 0 | - | 2528 | = | * | (0 | / | 42) | = | ||||
| 6 | 41499 | 2446 | - | 2552 | = | -106 | * | (11 | / | 42) | = | -27.76190467 | ||
| 7 | 41500 | 0 | - | 2567 | = | * | (0 | / | 42) | = | ||||
| 8 | 41503 | 0 | - | 2586 | = | * | (0 | / | 42) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Leggett Valley Elementary | -28 | ||||||||||||
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 | 41641 | 0 | - | 2436 | = | * | (4 | / | 48) | = | ||||
| 4 | 41642 | 0 | - | 2485 | = | * | (7 | / | 48) | = | ||||
| 5 | 41643 | 0 | - | 2528 | = | * | (10 | / | 48) | = | ||||
| 6 | 41644 | 0 | - | 2552 | = | * | (7 | / | 48) | = | ||||
| 7 | 41645 | 2470 | - | 2567 | = | -97 | * | (12 | / | 48) | = | -24.25 | ||
| 8 | 41646 | 0 | - | 2586 | = | * | (8 | / | 48) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Leggett Valley Elementary | -24 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -24 | -28 | -24 | -76.0 | -15.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -19.333333333333333333
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -31.333333333333333333
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% | 74% | 66% | 66% | 59% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Leggett Valley Unified school district | County of Mendocino
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.
Leggett Valley Elementary math proficiency
Zero+ meets standard.
64% less $meal
64% less $meal
51% 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.
Elementary School (Public) schools in Leggett Valley Unified (2)
| Leggett Valley Elementary | Whale Gulch Elementary |