Valley View Elementary (Data source)
Source data for Valley View 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 | 712320 | 2472 | - | 2436 | = | 36 | * | (54 | / | 256) | = | 7.59375 | ||
| 4 | 712321 | 2525 | - | 2485 | = | 40 | * | (59 | / | 256) | = | 9.21875 | ||
| 5 | 712324 | 2548 | - | 2528 | = | 20 | * | (68 | / | 256) | = | 5.3125 | ||
| 6 | 712325 | 2598 | - | 2552 | = | 46 | * | (75 | / | 256) | = | 13.4765625 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Valley View Elementary | 36 | ||||||||||||
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 | 22484 | 2486 | - | 2436 | = | 50 | * | (40 | / | 233) | = | 8.58369095 | ||
| 4 | 22487 | 2522 | - | 2485 | = | 37 | * | (58 | / | 233) | = | 9.21030041 | ||
| 5 | 22488 | 2539 | - | 2528 | = | 11 | * | (62 | / | 233) | = | 2.92703862 | ||
| 6 | 22490 | 2593 | - | 2552 | = | 41 | * | (73 | / | 233) | = | 12.84549356 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Valley View Elementary | 34 | ||||||||||||
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 | 22916 | 2487 | - | 2436 | = | 51 | * | (52 | / | 230) | = | 11.53043476 | ||
| 4 | 22917 | 2526 | - | 2485 | = | 41 | * | (46 | / | 230) | = | 8.2 | ||
| 5 | 22920 | 2556 | - | 2528 | = | 28 | * | (61 | / | 230) | = | 7.42608695 | ||
| 6 | 22921 | 2589 | - | 2552 | = | 37 | * | (71 | / | 230) | = | 11.42173912 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Valley View Elementary | 39 | ||||||||||||
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 | 22912 | 2489 | - | 2436 | = | 53 | * | (42 | / | 206) | = | 10.80582524 | ||
| 4 | 22915 | 2536 | - | 2485 | = | 51 | * | (52 | / | 206) | = | 12.87378638 | ||
| 5 | 22916 | 2556 | - | 2528 | = | 28 | * | (51 | / | 206) | = | 6.93203882 | ||
| 6 | 22919 | 2617 | - | 2552 | = | 65 | * | (61 | / | 206) | = | 19.24757276 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Valley View Elementary | 50 | ||||||||||||
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 | 23095 | 2501 | - | 2436 | = | 65 | * | (67 | / | 223) | = | 19.52914795 | ||
| 4 | 23096 | 2536 | - | 2485 | = | 51 | * | (48 | / | 223) | = | 10.97757844 | ||
| 5 | 23097 | 2585 | - | 2528 | = | 57 | * | (54 | / | 223) | = | 13.80269056 | ||
| 6 | 23098 | 2625 | - | 2552 | = | 73 | * | (54 | / | 223) | = | 17.67713002 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Valley View Elementary | 62 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 36 | 34 | 39 | 50 | 62 | 221.0 | 44.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 77.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 11.2
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 | 14% | 12% | 16% | 21% | 16% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Glendale Unified school district | County of Los Angeles
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.
Valley View Elementary math proficiency
Zero+ meets standard.
10% less $meal
9% less $meal
13% less $meal
18% less $meal
14% 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.