Breen Elementary (Data source)
Source data for Breen 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 | 1628866 | 2430 | - | 2436 | = | -6 | * | (77 | / | 351) | = | -1.31623931 | ||
4 | 1628867 | 2499 | - | 2485 | = | 14 | * | (92 | / | 351) | = | 3.66951567 | ||
5 | 1628870 | 2510 | - | 2528 | = | -18 | * | (92 | / | 351) | = | -4.71794872 | ||
6 | 1628871 | 2557 | - | 2552 | = | 5 | * | (90 | / | 351) | = | 1.28205128 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Breen Elementary | -1 |
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 | 50916 | 2466 | - | 2436 | = | 30 | * | (88 | / | 352) | = | 7.5 | ||
4 | 50919 | 2490 | - | 2485 | = | 5 | * | (75 | / | 352) | = | 1.06534091 | ||
5 | 50920 | 2521 | - | 2528 | = | -7 | * | (95 | / | 352) | = | -1.88920454 | ||
6 | 50922 | 2563 | - | 2552 | = | 11 | * | (94 | / | 352) | = | 2.93749999 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Breen Elementary | 10 |
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 | 52376 | 2486 | - | 2436 | = | 50 | * | (71 | / | 351) | = | 10.1139601 | ||
4 | 52378 | 2522 | - | 2485 | = | 37 | * | (96 | / | 351) | = | 10.1196581 | ||
5 | 52380 | 2517 | - | 2528 | = | -11 | * | (92 | / | 351) | = | -2.88319088 | ||
6 | 52382 | 2572 | - | 2552 | = | 20 | * | (92 | / | 351) | = | 5.24216524 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Breen Elementary | 23 |
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 | 52443 | 2454 | - | 2436 | = | 18 | * | (52 | / | 326) | = | 2.87116564 | ||
4 | 52444 | 2523 | - | 2485 | = | 38 | * | (87 | / | 326) | = | 10.14110427 | ||
5 | 52447 | 2542 | - | 2528 | = | 14 | * | (96 | / | 326) | = | 4.12269938 | ||
6 | 52448 | 2569 | - | 2552 | = | 17 | * | (91 | / | 326) | = | 4.74539877 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Breen Elementary | 22 |
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 | 52618 | 2485 | - | 2436 | = | 49 | * | (72 | / | 315) | = | 11.19999997 | ||
4 | 52619 | 2516 | - | 2485 | = | 31 | * | (57 | / | 315) | = | 5.60952378 | ||
5 | 52620 | 2542 | - | 2528 | = | 14 | * | (96 | / | 315) | = | 4.26666666 | ||
6 | 52621 | 2565 | - | 2552 | = | 13 | * | (90 | / | 315) | = | 3.71428571 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Breen Elementary | 25 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-1 | 10 | 23 | 22 | 25 | 79.0 | 15.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 48.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -17.2
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 | 15% | 14% | 14% | 19% | 15% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Rocklin Unified school district | County of Placer
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.
Breen Elementary math proficiency
Zero+ meets standard.
9% less $meal
7% less $meal
10% less $meal
16% less $meal
12% 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.