Ron Nunn Elementary (Data source)
Source data for Ron Nunn 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 | 189600 | 2445 | - | 2436 | = | 9 | * | (96 | / | 305) | = | 2.83278688 | ||
| 4 | 189601 | 2477 | - | 2485 | = | -8 | * | (105 | / | 305) | = | -2.75409836 | ||
| 5 | 189604 | 2494 | - | 2528 | = | -34 | * | (104 | / | 305) | = | -11.5934426 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Ron Nunn Elementary | -12 | ||||||||||||
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 | 5655 | 2469 | - | 2436 | = | 33 | * | (74 | / | 277) | = | 8.81588446 | ||
| 4 | 5657 | 2487 | - | 2485 | = | 2 | * | (100 | / | 277) | = | 0.72202166 | ||
| 5 | 5660 | 2504 | - | 2528 | = | -24 | * | (103 | / | 277) | = | -8.92418772 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Ron Nunn Elementary | 1 | ||||||||||||
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 | 5790 | 2454 | - | 2436 | = | 18 | * | (79 | / | 275) | = | 5.17090909 | ||
| 4 | 5791 | 2500 | - | 2485 | = | 15 | * | (79 | / | 275) | = | 4.30909091 | ||
| 5 | 5794 | 2502 | - | 2528 | = | -26 | * | (117 | / | 275) | = | -11.06181817 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Ron Nunn Elementary | -2 | ||||||||||||
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 | 5785 | 2448 | - | 2436 | = | 12 | * | (101 | / | 299) | = | 4.0535117 | ||
| 4 | 5788 | 2481 | - | 2485 | = | -4 | * | (101 | / | 299) | = | -1.35117057 | ||
| 5 | 5789 | 2512 | - | 2528 | = | -16 | * | (97 | / | 299) | = | -5.19063544 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Ron Nunn Elementary | -2 | ||||||||||||
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 | 5847 | 2475 | - | 2436 | = | 39 | * | (99 | / | 300) | = | 12.87 | ||
| 4 | 5848 | 2484 | - | 2485 | = | -1 | * | (102 | / | 300) | = | -0.34 | ||
| 5 | 5849 | 2505 | - | 2528 | = | -23 | * | (99 | / | 300) | = | -7.59 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Ron Nunn Elementary | 5 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -12 | 1 | -2 | -2 | 5 | -10.0 | -2.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 16.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -20.0
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 | 19% | 17% | 18% | 18% | 20% |
| 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.
Ron Nunn Elementary math proficiency
Zero+ meets standard.
12% less $meal
13% less $meal
14% less $meal
16% less $meal
16% 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 |