Loma Vista Elementary (Data source)
Source data for Loma Vista 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 | 3147669 | 2439 | - | 2436 | = | 3 | * | (56 | / | 191) | = | 0.87958115 | ||
| 4 | 3147671 | 2488 | - | 2485 | = | 3 | * | (56 | / | 191) | = | 0.87958115 | ||
| 5 | 3147673 | 2523 | - | 2528 | = | -5 | * | (79 | / | 191) | = | -2.06806283 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Loma Vista Elementary | 0 | ||||||||||||
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 | 97020 | 2436 | - | 2436 | = | 0 | * | (62 | / | 174) | = | 0.0 | ||
| 4 | 97023 | 2504 | - | 2485 | = | 19 | * | (58 | / | 174) | = | 6.33333333 | ||
| 5 | 97024 | 2532 | - | 2528 | = | 4 | * | (54 | / | 174) | = | 1.24137931 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Loma Vista Elementary | 8 | ||||||||||||
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 | 99832 | 2448 | - | 2436 | = | 12 | * | (58 | / | 188) | = | 3.70212766 | ||
| 4 | 99834 | 2474 | - | 2485 | = | -11 | * | (69 | / | 188) | = | -4.03723404 | ||
| 5 | 99835 | 2510 | - | 2528 | = | -18 | * | (61 | / | 188) | = | -5.84042553 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Loma Vista 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 | 99983 | 2451 | - | 2436 | = | 15 | * | (62 | / | 191) | = | 4.86910994 | ||
| 4 | 99984 | 2499 | - | 2485 | = | 14 | * | (60 | / | 191) | = | 4.39790575 | ||
| 5 | 99987 | 2503 | - | 2528 | = | -25 | * | (69 | / | 191) | = | -9.0314136 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Loma Vista Elementary | 0 | ||||||||||||
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 | 100647 | 2463 | - | 2436 | = | 27 | * | (58 | / | 172) | = | 9.10465115 | ||
| 4 | 100648 | 2500 | - | 2485 | = | 15 | * | (59 | / | 172) | = | 5.14534883 | ||
| 5 | 100649 | 2527 | - | 2528 | = | -1 | * | (55 | / | 172) | = | -0.31976744 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Loma Vista Elementary | 14 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 0 | 8 | -6 | 0 | 14 | 16.0 | 3.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 35.333333333333333333
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -24.666666666666666667
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 | 27% | 30% | 35% | 34% | 32% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ventura 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.
Loma Vista Elementary math proficiency
Zero+ meets standard.
21% less $meal
18% less $meal
23% 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.