Carpenter (C. C.) Elementary (Data source)
Source data for Carpenter (C. C.) 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 |
||
4 | 674260 | 2436 | - | 2485 | = | -49 | * | (287 | / | 531) | = | -26.48399246 | ||
5 | 674263 | 2457 | - | 2528 | = | -71 | * | (244 | / | 531) | = | -32.62523535 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Carpenter (C. C.) Elementary | -59 |
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 |
||
4 | 21340 | 2455 | - | 2485 | = | -30 | * | (250 | / | 537) | = | -13.96648044 | ||
5 | 21341 | 2465 | - | 2528 | = | -63 | * | (287 | / | 537) | = | -33.67039101 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Carpenter (C. C.) Elementary | -48 |
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 |
||
4 | 21748 | 2462 | - | 2485 | = | -23 | * | (234 | / | 481) | = | -11.18918918 | ||
5 | 21749 | 2481 | - | 2528 | = | -47 | * | (247 | / | 481) | = | -24.13513511 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Carpenter (C. C.) Elementary | -35 |
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 |
||
4 | 21722 | 2460 | - | 2485 | = | -25 | * | (227 | / | 437) | = | -12.98627 | ||
5 | 21725 | 2482 | - | 2528 | = | -46 | * | (210 | / | 437) | = | -22.10526315 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Carpenter (C. C.) Elementary | -35 |
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 |
||
4 | 21891 | 2474 | - | 2485 | = | -11 | * | (195 | / | 411) | = | -5.21897809 | ||
5 | 21892 | 2489 | - | 2528 | = | -39 | * | (216 | / | 411) | = | -20.49635036 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Carpenter (C. C.) Elementary | -26 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-59 | -48 | -35 | -35 | -26 | -203.0 | -40.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -4.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.6
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 | 79% | 82% | 83% | 80% | 81% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Downey Unified school district County of Los Angeles
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Carpenter (C. C.) Elementary math proficiency
Zero+ meets standard.
62% less $meal
66% less $meal
65% less $meal
66% less $meal
67% 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.