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 | 190226 | 2447 | - | 2436 | = | 11 | * | (118 | / | 339) | = | 3.82890855 | ||
| 4 | 190227 | 2464 | - | 2485 | = | -21 | * | (96 | / | 339) | = | -5.94690264 | ||
| 5 | 190230 | 2510 | - | 2528 | = | -18 | * | (125 | / | 339) | = | -6.63716813 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Loma Vista Elementary | -9 | ||||||||||||
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 | 5672 | 2464 | - | 2436 | = | 28 | * | (124 | / | 365) | = | 9.51232876 | ||
| 4 | 5674 | 2483 | - | 2485 | = | -2 | * | (124 | / | 365) | = | -0.67945205 | ||
| 5 | 5676 | 2511 | - | 2528 | = | -17 | * | (117 | / | 365) | = | -5.44931507 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Loma Vista Elementary | 3 | ||||||||||||
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 | 5805 | 2459 | - | 2436 | = | 23 | * | (94 | / | 348) | = | 6.21264367 | ||
| 4 | 5808 | 2485 | - | 2485 | = | 0 | * | (124 | / | 348) | = | 0.0 | ||
| 5 | 5809 | 2513 | - | 2528 | = | -15 | * | (130 | / | 348) | = | -5.60344827 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Loma Vista Elementary | 1 | ||||||||||||
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 | 5801 | 2448 | - | 2436 | = | 12 | * | (98 | / | 322) | = | 3.65217391 | ||
| 4 | 5804 | 2483 | - | 2485 | = | -2 | * | (96 | / | 322) | = | -0.59627329 | ||
| 5 | 5805 | 2517 | - | 2528 | = | -11 | * | (128 | / | 322) | = | -4.3726708 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Loma Vista 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 | 5863 | 2442 | - | 2436 | = | 6 | * | (100 | / | 292) | = | 2.05479452 | ||
| 4 | 5864 | 2489 | - | 2485 | = | 4 | * | (96 | / | 292) | = | 1.31506849 | ||
| 5 | 5865 | 2513 | - | 2528 | = | -15 | * | (96 | / | 292) | = | -4.93150685 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Loma Vista Elementary | -2 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -9 | 3 | 1 | -1 | -2 | -8.0 | -1.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -13.6
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 | 15% | 16% | 17% | 19% | 22% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Brentwood Union Elementary school district | County of Contra Costa
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.
10% less $meal
11% less $meal
12% less $meal
17% less $meal
17% 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 Brentwood Union Elementary (8)
| Brentwood Elementary | Garin Elementary | Loma Vista Elementary |
| Marsh Creek Elementary | Mary Casey Black Elementary | Pioneer Elementary |
| R. Paul Krey Elementary | Ron Nunn Elementary |