Castro Valley Elementary (Data source)
Source data for Castro Valley 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 | 22479 | 2441 | - | 2436 | = | 5 | * | (74 | / | 234) | = | 1.58119658 | ||
| 4 | 22482 | 2461 | - | 2485 | = | -24 | * | (79 | / | 234) | = | -8.10256409 | ||
| 5 | 22483 | 2490 | - | 2528 | = | -38 | * | (81 | / | 234) | = | -13.15384615 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Castro Valley Elementary | -20 | ||||||||||||
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 | 601 | 2444 | - | 2436 | = | 8 | * | (52 | / | 208) | = | 2.0 | ||
| 4 | 604 | 2495 | - | 2485 | = | 10 | * | (74 | / | 208) | = | 3.5576923 | ||
| 5 | 605 | 2517 | - | 2528 | = | -11 | * | (82 | / | 208) | = | -4.33653846 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Castro Valley 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 | 644 | 2482 | - | 2436 | = | 46 | * | (86 | / | 212) | = | 18.66037734 | ||
| 4 | 646 | 2507 | - | 2485 | = | 22 | * | (48 | / | 212) | = | 4.98113207 | ||
| 5 | 648 | 2521 | - | 2528 | = | -7 | * | (78 | / | 212) | = | -2.5754717 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Castro Valley Elementary | 21 | ||||||||||||
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 | 663 | 2469 | - | 2436 | = | 33 | * | (70 | / | 197) | = | 11.72588832 | ||
| 4 | 665 | 2500 | - | 2485 | = | 15 | * | (80 | / | 197) | = | 6.09137055 | ||
| 5 | 667 | 2519 | - | 2528 | = | -9 | * | (47 | / | 197) | = | -2.14720812 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Castro Valley Elementary | 16 | ||||||||||||
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 | 693 | 2487 | - | 2436 | = | 51 | * | (74 | / | 228) | = | 16.55263155 | ||
| 4 | 694 | 2493 | - | 2485 | = | 8 | * | (74 | / | 228) | = | 2.59649122 | ||
| 5 | 695 | 2522 | - | 2528 | = | -6 | * | (80 | / | 228) | = | -2.10526315 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Castro Valley Elementary | 17 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -20 | 1 | 21 | 16 | 17 | 35.0 | 7.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 55.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -41.0
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 | 37% | 41% | 42% | 46% | 46% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Castro Valley 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.
Castro Valley Elementary math proficiency
Zero+ meets standard.
30% less $meal
33% less $meal
33% less $meal
37% less $meal
37% 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 Castro Valley Unified (9)
| Castro Valley Elementary | Chabot Elementary | Independent Elementary |
| Jensen Ranch Elementary | Marshall Elementary | Palomares Elementary |
| Proctor Elementary | Stanton Elementary | Vannoy Elementary |