Marshall Elementary (Data source)
Source data for Marshall 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 | 23753 | 2412 | - | 2436 | = | -24 | * | (78 | / | 235) | = | -7.96595743 | ||
| 4 | 23756 | 2482 | - | 2485 | = | -3 | * | (87 | / | 235) | = | -1.1106383 | ||
| 5 | 23757 | 2509 | - | 2528 | = | -19 | * | (70 | / | 235) | = | -5.65957446 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Marshall Elementary | -15 | ||||||||||||
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 | 634 | 2440 | - | 2436 | = | 4 | * | (80 | / | 251) | = | 1.2749004 | ||
| 4 | 636 | 2472 | - | 2485 | = | -13 | * | (84 | / | 251) | = | -4.3505976 | ||
| 5 | 637 | 2541 | - | 2528 | = | 13 | * | (87 | / | 251) | = | 4.50597609 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Marshall 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 | 675 | 2448 | - | 2436 | = | 12 | * | (79 | / | 252) | = | 3.76190476 | ||
| 4 | 677 | 2497 | - | 2485 | = | 12 | * | (86 | / | 252) | = | 4.09523809 | ||
| 5 | 680 | 2517 | - | 2528 | = | -11 | * | (87 | / | 252) | = | -3.79761905 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Marshall Elementary | 4 | ||||||||||||
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 | 696 | 2469 | - | 2436 | = | 33 | * | (75 | / | 270) | = | 9.16666664 | ||
| 4 | 698 | 2504 | - | 2485 | = | 19 | * | (98 | / | 270) | = | 6.89629628 | ||
| 5 | 700 | 2551 | - | 2528 | = | 23 | * | (97 | / | 270) | = | 8.26296296 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Marshall Elementary | 24 | ||||||||||||
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 | 725 | 2470 | - | 2436 | = | 34 | * | (89 | / | 249) | = | 12.15261041 | ||
| 4 | 726 | 2500 | - | 2485 | = | 15 | * | (76 | / | 249) | = | 4.57831325 | ||
| 5 | 727 | 2567 | - | 2528 | = | 39 | * | (84 | / | 249) | = | 13.15662648 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Marshall Elementary | 30 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -15 | 1 | 4 | 24 | 30 | 44.0 | 8.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 62.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -45.2
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 | 32% | 39% | 34% | 37% | 35% |
| 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.
Marshall Elementary math proficiency
Zero+ meets standard.
25% less $meal
32% less $meal
26% less $meal
32% less $meal
28% 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 |