Los Altos Elementary (Data source)
Source data for Los Altos 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 | 1119263 | 2382 | - | 2436 | = | -54 | * | (106 | / | 106) | = | -54.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Los Altos Elementary | -54 | ||||||||||||
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 | 34958 | 2409 | - | 2436 | = | -27 | * | (73 | / | 73) | = | -27.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Los Altos Elementary | -27 | ||||||||||||
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 | 35625 | 2385 | - | 2436 | = | -51 | * | (82 | / | 82) | = | -51.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Los Altos Elementary | -51 | ||||||||||||
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 | 35635 | 2401 | - | 2436 | = | -35 | * | (81 | / | 81) | = | -35.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Los Altos Elementary | -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 | 35796 | 2387 | - | 2436 | = | -49 | * | (76 | / | 76) | = | -49.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Los Altos Elementary | -49 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -54 | -27 | -51 | -35 | -49 | -216.0 | -43.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -10.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -76.2
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% | 91% | 90% | 92% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
South Whittier Elementary 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 Altos Elementary math proficiency
Zero+ meets standard.
82% less $meal
79% less $meal
74% less $meal
80% less $meal
77% 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 South Whittier Elementary (6)
| Carmela Elementary | Howard J. McKibben Elementary | Lake Marie Elementary |
| Loma Vista Elementary | Los Altos Elementary | Monte Vista Middle |