Madrona Middle (Data source)
Source data for Madrona Middle
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 |
||
6 | 1131972 | 2556 | - | 2552 | = | 4 | * | (218 | / | 682) | = | 1.27859237 | ||
7 | 1131973 | 2569 | - | 2567 | = | 2 | * | (229 | / | 682) | = | 0.67155425 | ||
8 | 1131976 | 2595 | - | 2586 | = | 9 | * | (235 | / | 682) | = | 3.10117302 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Madrona Middle | 5 |
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 |
||
6 | 35292 | 2546 | - | 2552 | = | -6 | * | (232 | / | 679) | = | -2.05007363 | ||
7 | 35293 | 2581 | - | 2567 | = | 14 | * | (218 | / | 679) | = | 4.49484535 | ||
8 | 35296 | 2570 | - | 2586 | = | -16 | * | (229 | / | 679) | = | -5.39617083 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Madrona Middle | -3 |
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 |
||
6 | 35989 | 2553 | - | 2552 | = | 1 | * | (251 | / | 707) | = | 0.35502122 | ||
7 | 35992 | 2575 | - | 2567 | = | 8 | * | (240 | / | 707) | = | 2.71570014 | ||
8 | 35994 | 2596 | - | 2586 | = | 10 | * | (216 | / | 707) | = | 3.05516265 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Madrona Middle | 6 |
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 |
||
6 | 35990 | 2549 | - | 2552 | = | -3 | * | (233 | / | 718) | = | -0.9735376 | ||
7 | 35992 | 2585 | - | 2567 | = | 18 | * | (248 | / | 718) | = | 6.21727018 | ||
8 | 35993 | 2588 | - | 2586 | = | 2 | * | (237 | / | 718) | = | 0.66016713 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Madrona Middle | 6 |
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 |
||
6 | 36158 | 2539 | - | 2552 | = | -13 | * | (226 | / | 698) | = | -4.20916904 | ||
7 | 36159 | 2592 | - | 2567 | = | 25 | * | (226 | / | 698) | = | 8.09455585 | ||
8 | 36160 | 2592 | - | 2586 | = | 6 | * | (246 | / | 698) | = | 2.11461318 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Madrona Middle | 6 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
5 | -3 | 6 | 6 | 6 | 20.0 | 4.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 13.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -5.0
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 | 25% | 26% | 21% | 27% | 32% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Torrance Unified school district | County of Los Angeles
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.
Madrona Middle math proficiency
Zero+ meets standard.

19% less $meal

19% less $meal

14% less $meal

21% 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.
Intermediate/Middle Schools (Public) schools in Torrance Unified (8)
Bert M. Lynn Middle | Calle Mayor Middle | Casimir Middle |
Edward J. Richardson Middle | J. H. Hull Middle | Jefferson Middle |
Madrona Middle | Philip Magruder Middle |