Los Cerritos (Data source)
Source data for Los Cerritos
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 | 1075047 | 2395 | - | 2436 | = | -41 | * | (94 | / | 287) | = | -13.42857141 | ||
4 | 1075048 | 2451 | - | 2485 | = | -34 | * | (107 | / | 287) | = | -12.67595817 | ||
5 | 1075051 | 2449 | - | 2528 | = | -79 | * | (86 | / | 287) | = | -23.67247379 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Los Cerritos | -50 |
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 | 33706 | 2430 | - | 2436 | = | -6 | * | (99 | / | 296) | = | -2.00675675 | ||
4 | 33707 | 2432 | - | 2485 | = | -53 | * | (95 | / | 296) | = | -17.01013509 | ||
5 | 33709 | 2464 | - | 2528 | = | -64 | * | (102 | / | 296) | = | -22.05405402 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Los Cerritos | -41 |
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 | 34296 | 2432 | - | 2436 | = | -4 | * | (95 | / | 288) | = | -1.31944444 | ||
4 | 34297 | 2448 | - | 2485 | = | -37 | * | (98 | / | 288) | = | -12.59027775 | ||
5 | 34299 | 2447 | - | 2528 | = | -81 | * | (95 | / | 288) | = | -26.71874999 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Los Cerritos | -41 |
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 | 34301 | 2411 | - | 2436 | = | -25 | * | (83 | / | 273) | = | -7.6007326 | ||
4 | 34302 | 2449 | - | 2485 | = | -36 | * | (91 | / | 273) | = | -11.99999999 | ||
5 | 34305 | 2486 | - | 2528 | = | -42 | * | (99 | / | 273) | = | -15.2307692 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Los Cerritos | -35 |
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 | 34466 | 2448 | - | 2436 | = | 12 | * | (73 | / | 240) | = | 3.64999999 | ||
4 | 34467 | 2449 | - | 2485 | = | -36 | * | (81 | / | 240) | = | -12.15 | ||
5 | 34468 | 2492 | - | 2528 | = | -36 | * | (86 | / | 240) | = | -12.89999999 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Los Cerritos | -21 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-50 | -41 | -41 | -35 | -21 | -188.0 | -37.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -7.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -67.6
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 | 94% | 95% | 96% | 96% | 98% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Paramount 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.
Los Cerritos math proficiency
Zero+ meets standard.

88% less $meal

85% less $meal

89% less $meal

91% less $meal

88% 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.
Elementary School (Public) schools in Paramount Unified (12)
Abraham Lincoln | Captain Raymond Collins | Harry Wirtz Elementary |
Hollydale | Howard Tanner | Jefferson Elementary |
Leona Jackson | Los Cerritos | Major Lynn Mokler |
Mark Keppel | Theodore Roosevelt | Wesley Gaines |