Marsh Creek Elementary (Data source)
Source data for Marsh Creek 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 | 187440 | 2422 | - | 2436 | = | -14 | * | (99 | / | 357) | = | -3.88235294 | ||
| 4 | 187441 | 2462 | - | 2485 | = | -23 | * | (129 | / | 357) | = | -8.31092435 | ||
| 5 | 187444 | 2486 | - | 2528 | = | -42 | * | (129 | / | 357) | = | -15.17647055 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Marsh Creek Elementary | -27 | ||||||||||||
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 | 5593 | 2442 | - | 2436 | = | 6 | * | (98 | / | 326) | = | 1.80368098 | ||
| 4 | 5595 | 2474 | - | 2485 | = | -11 | * | (104 | / | 326) | = | -3.50920244 | ||
| 5 | 5598 | 2483 | - | 2528 | = | -45 | * | (124 | / | 326) | = | -17.11656441 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Marsh Creek Elementary | -19 | ||||||||||||
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 | 5730 | 2442 | - | 2436 | = | 6 | * | (99 | / | 329) | = | 1.80547112 | ||
| 4 | 5731 | 2474 | - | 2485 | = | -11 | * | (98 | / | 329) | = | -3.27659574 | ||
| 5 | 5733 | 2491 | - | 2528 | = | -37 | * | (132 | / | 329) | = | -14.84498479 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Marsh Creek Elementary | -16 | ||||||||||||
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 | 5724 | 2451 | - | 2436 | = | 15 | * | (122 | / | 342) | = | 5.35087719 | ||
| 4 | 5725 | 2489 | - | 2485 | = | 4 | * | (100 | / | 342) | = | 1.16959064 | ||
| 5 | 5728 | 2497 | - | 2528 | = | -31 | * | (120 | / | 342) | = | -10.87719295 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Marsh Creek Elementary | -4 | ||||||||||||
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 | 5787 | 2469 | - | 2436 | = | 33 | * | (124 | / | 352) | = | 11.62499999 | ||
| 4 | 5788 | 2498 | - | 2485 | = | 13 | * | (130 | / | 352) | = | 4.80113635 | ||
| 5 | 5789 | 2514 | - | 2528 | = | -14 | * | (98 | / | 352) | = | -3.89772726 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Marsh Creek Elementary | 13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -27 | -19 | -16 | -4 | 13 | -53.0 | -10.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 34.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -55.6
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% | 34% | 30% | 31% | 31% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Brentwood Union Elementary school district | County of Contra Costa
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.
Marsh Creek Elementary math proficiency
Zero+ meets standard.
29% less $meal
28% less $meal
24% less $meal
25% less $meal
26% 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 Brentwood Union Elementary (8)
| Brentwood Elementary | Garin Elementary | Loma Vista Elementary |
| Marsh Creek Elementary | Mary Casey Black Elementary | Pioneer Elementary |
| R. Paul Krey Elementary | Ron Nunn Elementary |