Cesar Chavez Elementary (Data source)
Source data for Cesar Chavez 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 | 1049668 | 2412 | - | 2436 | = | -24 | * | (56 | / | 204) | = | -6.58823527 | ||
4 | 1049669 | 2417 | - | 2485 | = | -68 | * | (58 | / | 204) | = | -19.3333333 | ||
5 | 1049672 | 2472 | - | 2528 | = | -56 | * | (63 | / | 204) | = | -17.29411762 | ||
6 | 1049673 | 2509 | - | 2552 | = | -43 | * | (27 | / | 204) | = | -5.69117646 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cesar Chavez Elementary | -49 |
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 | 32958 | 2401 | - | 2436 | = | -35 | * | (60 | / | 190) | = | -11.05263156 | ||
4 | 32961 | 2439 | - | 2485 | = | -46 | * | (49 | / | 190) | = | -11.86315786 | ||
5 | 32963 | 2450 | - | 2528 | = | -78 | * | (59 | / | 190) | = | -24.22105257 | ||
6 | 32965 | 2545 | - | 2552 | = | -7 | * | (22 | / | 190) | = | -0.81052631 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cesar Chavez 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 |
||
3 | 33537 | 2415 | - | 2436 | = | -21 | * | (73 | / | 185) | = | -8.28648647 | ||
4 | 33539 | 2430 | - | 2485 | = | -55 | * | (58 | / | 185) | = | -17.24324322 | ||
5 | 33540 | 2444 | - | 2528 | = | -84 | * | (54 | / | 185) | = | -24.51891884 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cesar Chavez Elementary | -50 |
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 | 33563 | 2393 | - | 2436 | = | -43 | * | (62 | / | 190) | = | -14.03157893 | ||
4 | 33565 | 2455 | - | 2485 | = | -30 | * | (74 | / | 190) | = | -11.68421052 | ||
5 | 33567 | 2471 | - | 2528 | = | -57 | * | (54 | / | 190) | = | -16.19999998 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cesar Chavez Elementary | -42 |
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 | 33738 | 2417 | - | 2436 | = | -19 | * | (66 | / | 194) | = | -6.46391752 | ||
4 | 33739 | 2435 | - | 2485 | = | -50 | * | (56 | / | 194) | = | -14.43298965 | ||
5 | 33740 | 2491 | - | 2528 | = | -37 | * | (72 | / | 194) | = | -13.73195874 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cesar Chavez Elementary | -35 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-49 | -48 | -50 | -42 | -35 | -224.0 | -44.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -26.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.8
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 | 92% | 90% | 87% | 87% | 94% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Norwalk-La Mirada 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.
Cesar Chavez Elementary math proficiency
Zero+ meets standard.
82% less $meal
83% less $meal
81% less $meal
78% less $meal
85% 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.