Wood Ranch Elementary (Data source)
Source data for Wood Ranch 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 | 3142802 | 2450 | - | 2436 | = | 14 | * | (98 | / | 278) | = | 4.93525179 | ||
| 4 | 3142803 | 2488 | - | 2485 | = | 3 | * | (84 | / | 278) | = | 0.90647482 | ||
| 5 | 3142806 | 2505 | - | 2528 | = | -23 | * | (86 | / | 278) | = | -7.11510789 | ||
| 6 | 3142807 | 0 | - | 2552 | = | * | (10 | / | 278) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Wood Ranch Elementary | -1 | ||||||||||||
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 | 96878 | 2457 | - | 2436 | = | 21 | * | (71 | / | 256) | = | 5.82421875 | ||
| 4 | 96881 | 2501 | - | 2485 | = | 16 | * | (91 | / | 256) | = | 5.6875 | ||
| 5 | 96882 | 2511 | - | 2528 | = | -17 | * | (85 | / | 256) | = | -5.64453125 | ||
| 6 | 96884 | 0 | - | 2552 | = | * | (9 | / | 256) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Wood Ranch Elementary | 6 | ||||||||||||
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 | 99678 | 2449 | - | 2436 | = | 13 | * | (94 | / | 269) | = | 4.54275093 | ||
| 4 | 99680 | 2504 | - | 2485 | = | 19 | * | (78 | / | 269) | = | 5.50929368 | ||
| 5 | 99682 | 2504 | - | 2528 | = | -24 | * | (89 | / | 269) | = | -7.94052043 | ||
| 6 | 99684 | 0 | - | 2552 | = | * | (0 | / | 269) | = | ||||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Wood Ranch 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 | 99836 | 2464 | - | 2436 | = | 28 | * | (107 | / | 269) | = | 11.13754645 | ||
| 4 | 99839 | 2492 | - | 2485 | = | 7 | * | (91 | / | 269) | = | 2.36802973 | ||
| 5 | 99840 | 2528 | - | 2528 | = | 0 | * | (71 | / | 269) | = | 0.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Wood Ranch Elementary | 14 | ||||||||||||
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 | 100501 | 2466 | - | 2436 | = | 30 | * | (95 | / | 289) | = | 9.86159169 | ||
| 4 | 100502 | 2489 | - | 2485 | = | 4 | * | (107 | / | 289) | = | 1.48096886 | ||
| 5 | 100503 | 2508 | - | 2528 | = | -20 | * | (87 | / | 289) | = | -6.02076124 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Wood Ranch Elementary | 5 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -1 | 6 | 2 | 14 | 5 | 26.0 | 5.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 20.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -9.8
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 | 10% | 12% | 11% | 12% | 11% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Simi Valley Unified school district County of Ventura
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Wood Ranch Elementary math proficiency
Zero+ meets standard.
8% less $meal
10% less $meal
10% less $meal
11% less $meal
9% 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.