Jefferson Middle (Data source)
Source data for Jefferson 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 | 1131348 | 2560 | - | 2552 | = | 8 | * | (199 | / | 578) | = | 2.75432526 | ||
7 | 1131349 | 2568 | - | 2567 | = | 1 | * | (185 | / | 578) | = | 0.3200692 | ||
8 | 1131352 | 2569 | - | 2586 | = | -17 | * | (194 | / | 578) | = | -5.70588235 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jefferson Middle | -3 |
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 | 35276 | 2580 | - | 2552 | = | 28 | * | (226 | / | 638) | = | 9.91849527 | ||
7 | 35278 | 2590 | - | 2567 | = | 23 | * | (215 | / | 638) | = | 7.75078369 | ||
8 | 35279 | 2595 | - | 2586 | = | 9 | * | (197 | / | 638) | = | 2.77899686 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jefferson Middle | 20 |
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 | 35973 | 2571 | - | 2552 | = | 19 | * | (189 | / | 643) | = | 5.58475894 | ||
7 | 35976 | 2595 | - | 2567 | = | 28 | * | (232 | / | 643) | = | 10.10264385 | ||
8 | 35978 | 2617 | - | 2586 | = | 31 | * | (222 | / | 643) | = | 10.70295488 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jefferson Middle | 26 |
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 | 35974 | 2600 | - | 2552 | = | 48 | * | (196 | / | 635) | = | 14.81574802 | ||
7 | 35976 | 2585 | - | 2567 | = | 18 | * | (196 | / | 635) | = | 5.55590551 | ||
8 | 35978 | 2616 | - | 2586 | = | 30 | * | (243 | / | 635) | = | 11.48031495 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jefferson Middle | 32 |
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 | 36142 | 2581 | - | 2552 | = | 29 | * | (219 | / | 638) | = | 9.95454545 | ||
7 | 36143 | 2614 | - | 2567 | = | 47 | * | (208 | / | 638) | = | 15.32288398 | ||
8 | 36144 | 2592 | - | 2586 | = | 6 | * | (211 | / | 638) | = | 1.98432602 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jefferson Middle | 27 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-3 | 20 | 26 | 32 | 27 | 102.0 | 20.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 59.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -18.6
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 | 28% | 25% | 23% | 23% | 20% |
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.
Jefferson Middle math proficiency
Zero+ meets standard.

21% less $meal

18% less $meal

17% less $meal

18% less $meal

15% 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 |