Dewey Avenue Elementary (Data source)
Source data for Dewey Avenue 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 | 701593 | 2467 | - | 2436 | = | 31 | * | (52 | / | 227) | = | 7.10132156 | ||
4 | 701594 | 2471 | - | 2485 | = | -14 | * | (56 | / | 227) | = | -3.45374449 | ||
5 | 701597 | 2475 | - | 2528 | = | -53 | * | (48 | / | 227) | = | -11.20704843 | ||
6 | 701598 | 2538 | - | 2552 | = | -14 | * | (71 | / | 227) | = | -4.37885462 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Dewey Avenue Elementary | -12 |
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 | 22170 | 2494 | - | 2436 | = | 58 | * | (55 | / | 207) | = | 15.41062801 | ||
4 | 22173 | 2497 | - | 2485 | = | 12 | * | (48 | / | 207) | = | 2.78260868 | ||
5 | 22175 | 2486 | - | 2528 | = | -42 | * | (54 | / | 207) | = | -10.95652173 | ||
6 | 22177 | 2518 | - | 2552 | = | -34 | * | (50 | / | 207) | = | -8.21256036 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Dewey Avenue 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 | 22590 | 2487 | - | 2436 | = | 51 | * | (56 | / | 214) | = | 13.34579434 | ||
4 | 22591 | 2512 | - | 2485 | = | 27 | * | (55 | / | 214) | = | 6.93925232 | ||
5 | 22593 | 2519 | - | 2528 | = | -9 | * | (45 | / | 214) | = | -1.89252336 | ||
6 | 22596 | 2536 | - | 2552 | = | -16 | * | (58 | / | 214) | = | -4.33644859 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Dewey Avenue Elementary | 14 |
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 | 22586 | 2407 | - | 2436 | = | -29 | * | (56 | / | 215) | = | -7.55348836 | ||
4 | 22588 | 2513 | - | 2485 | = | 28 | * | (59 | / | 215) | = | 7.68372091 | ||
5 | 22590 | 2509 | - | 2528 | = | -19 | * | (53 | / | 215) | = | -4.68372091 | ||
6 | 22592 | 2560 | - | 2552 | = | 8 | * | (47 | / | 215) | = | 1.74883721 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Dewey Avenue Elementary | -3 |
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 | 22769 | 2427 | - | 2436 | = | -9 | * | (58 | / | 219) | = | -2.38356164 | ||
4 | 22770 | 2503 | - | 2485 | = | 18 | * | (55 | / | 219) | = | 4.52054794 | ||
5 | 22771 | 2522 | - | 2528 | = | -6 | * | (53 | / | 219) | = | -1.45205479 | ||
6 | 22772 | 2544 | - | 2552 | = | -8 | * | (53 | / | 219) | = | -1.93607306 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Dewey Avenue Elementary | -1 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-12 | -1 | 14 | -3 | -1 | -3.0 | -0.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 26.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -27.6
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 | 83% | 84% | 85% | 85% | 86% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Garvey Elementary 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.
Dewey Avenue Elementary math proficiency
Zero+ meets standard.
73% less $meal
72% less $meal
73% less $meal
80% less $meal
78% 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.