Rivera Middle (Data source)
Source data for Rivera 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 | 698668 | 2472 | - | 2552 | = | -80 | * | (271 | / | 753) | = | -28.79150064 | ||
7 | 698671 | 2484 | - | 2567 | = | -83 | * | (239 | / | 753) | = | -26.34395747 | ||
8 | 698672 | 2500 | - | 2586 | = | -86 | * | (243 | / | 753) | = | -27.75298802 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rivera Middle | -83 |
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 | 22092 | 2481 | - | 2552 | = | -71 | * | (254 | / | 755) | = | -23.88609271 | ||
7 | 22095 | 2484 | - | 2567 | = | -83 | * | (267 | / | 755) | = | -29.35231787 | ||
8 | 22097 | 2528 | - | 2586 | = | -58 | * | (234 | / | 755) | = | -17.97615889 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rivera Middle | -71 |
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 | 22513 | 2466 | - | 2552 | = | -86 | * | (239 | / | 751) | = | -27.3688415 | ||
7 | 22515 | 2481 | - | 2567 | = | -86 | * | (250 | / | 751) | = | -28.62849528 | ||
8 | 22517 | 2494 | - | 2586 | = | -92 | * | (262 | / | 751) | = | -32.0958721 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rivera Middle | -88 |
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 | 22503 | 2461 | - | 2552 | = | -91 | * | (246 | / | 743) | = | -30.12920583 | ||
7 | 22505 | 2463 | - | 2567 | = | -104 | * | (249 | / | 743) | = | -34.85329744 | ||
8 | 22507 | 2501 | - | 2586 | = | -85 | * | (248 | / | 743) | = | -28.37146703 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rivera Middle | -93 |
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 | 22686 | 2478 | - | 2552 | = | -74 | * | (230 | / | 720) | = | -23.63888886 | ||
7 | 22687 | 2485 | - | 2567 | = | -82 | * | (233 | / | 720) | = | -26.5361111 | ||
8 | 22688 | 2495 | - | 2586 | = | -91 | * | (257 | / | 720) | = | -32.4819444 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rivera Middle | -83 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-83 | -71 | -88 | -93 | -83 | -418.0 | -83.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -59.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -107.6
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 | 82% | 77% | 72% | 73% | 73% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Rancho 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.
Rivera Middle math proficiency
Zero+ meets standard.

67% less $meal

62% less $meal

61% less $meal

63% less $meal

58% 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 El Rancho Unified (3)
North Park Academy of the Arts | Rivera Middle | STEAM Academy @ Burke |