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 | 120621 | 2442 | - | 2436 | = | 6 | * | (105 | / | 341) | = | 1.84750733 | ||
| 4 | 120624 | 2482 | - | 2485 | = | -3 | * | (120 | / | 341) | = | -1.05571847 | ||
| 5 | 120625 | 2537 | - | 2528 | = | 9 | * | (116 | / | 341) | = | 3.06158358 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Valley View Elementary | 4 | ||||||||||||
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 | 3353 | 2467 | - | 2436 | = | 31 | * | (108 | / | 329) | = | 10.17629179 | ||
| 4 | 3356 | 2506 | - | 2485 | = | 21 | * | (104 | / | 329) | = | 6.63829786 | ||
| 5 | 3358 | 2555 | - | 2528 | = | 27 | * | (117 | / | 329) | = | 9.6018237 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Valley View Elementary | 26 | ||||||||||||
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 | 3471 | 2475 | - | 2436 | = | 39 | * | (104 | / | 326) | = | 12.44171776 | ||
| 4 | 3474 | 2504 | - | 2485 | = | 19 | * | (108 | / | 326) | = | 6.29447852 | ||
| 5 | 3475 | 2559 | - | 2528 | = | 31 | * | (114 | / | 326) | = | 10.84049078 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Valley View Elementary | 30 | ||||||||||||
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 | 3472 | 2463 | - | 2436 | = | 27 | * | (109 | / | 339) | = | 8.68141592 | ||
| 4 | 3474 | 2522 | - | 2485 | = | 37 | * | (111 | / | 339) | = | 12.11504424 | ||
| 5 | 3476 | 2545 | - | 2528 | = | 17 | * | (119 | / | 339) | = | 5.96755162 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Valley View Elementary | 27 | ||||||||||||
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 | 3517 | 2461 | - | 2436 | = | 25 | * | (98 | / | 315) | = | 7.77777778 | ||
| 4 | 3518 | 2484 | - | 2485 | = | -1 | * | (115 | / | 315) | = | -0.36507937 | ||
| 5 | 3519 | 2556 | - | 2528 | = | 28 | * | (102 | / | 315) | = | 9.06666664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Valley View Elementary | 16 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 4 | 26 | 30 | 27 | 16 | 103.0 | 20.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 50.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -9.4
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 | 21% | 24% | 25% | 23% | 25% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pleasanton Unified school district | County of Alameda
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.
18% less $meal
20% less $meal
21% less $meal
21% less $meal
22% 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.