Marin Elementary (Data source)
Source data for Marin 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 | 14828 | 2468 | - | 2436 | = | 32 | * | (82 | / | 266) | = | 9.86466163 | ||
| 4 | 14829 | 2535 | - | 2485 | = | 50 | * | (80 | / | 266) | = | 15.03759395 | ||
| 5 | 14832 | 2586 | - | 2528 | = | 58 | * | (104 | / | 266) | = | 22.67669169 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Marin Elementary | 48 | ||||||||||||
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 | 406 | 2485 | - | 2436 | = | 49 | * | (78 | / | 239) | = | 15.99163177 | ||
| 4 | 407 | 2535 | - | 2485 | = | 50 | * | (81 | / | 239) | = | 16.94560665 | ||
| 5 | 409 | 2584 | - | 2528 | = | 56 | * | (80 | / | 239) | = | 18.74476985 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Marin Elementary | 52 | ||||||||||||
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 | 424 | 2493 | - | 2436 | = | 57 | * | (82 | / | 244) | = | 19.15573766 | ||
| 4 | 426 | 2551 | - | 2485 | = | 66 | * | (79 | / | 244) | = | 21.36885241 | ||
| 5 | 428 | 2567 | - | 2528 | = | 39 | * | (83 | / | 244) | = | 13.26639343 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Marin Elementary | 54 | ||||||||||||
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 | 448 | 2488 | - | 2436 | = | 52 | * | (93 | / | 252) | = | 19.19047619 | ||
| 4 | 450 | 2539 | - | 2485 | = | 54 | * | (80 | / | 252) | = | 17.14285712 | ||
| 5 | 452 | 2574 | - | 2528 | = | 46 | * | (79 | / | 252) | = | 14.4206349 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Marin Elementary | 51 | ||||||||||||
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 | 477 | 2506 | - | 2436 | = | 70 | * | (90 | / | 243) | = | 25.9259259 | ||
| 4 | 478 | 2526 | - | 2485 | = | 41 | * | (77 | / | 243) | = | 12.99176951 | ||
| 5 | 479 | 2578 | - | 2528 | = | 50 | * | (76 | / | 243) | = | 15.63786005 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Marin Elementary | 55 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 48 | 52 | 54 | 51 | 55 | 260.0 | 52.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 58.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 46.0
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 | 14% | 14% | 12% | 14% | 16% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Albany City 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.
Marin Elementary math proficiency
Zero+ meets standard.
10% less $meal
11% less $meal
9% less $meal
13% less $meal
13% 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 Albany City Unified (3)
| Cornell Elementary | Marin Elementary | Ocean View Elementary |