La Canada Elementary (Data source)
Source data for La Canada 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 | 736756 | 2486 | - | 2436 | = | 50 | * | (84 | / | 406) | = | 10.34482755 | ||
| 4 | 736757 | 2548 | - | 2485 | = | 63 | * | (102 | / | 406) | = | 15.8275862 | ||
| 5 | 736760 | 2575 | - | 2528 | = | 47 | * | (116 | / | 406) | = | 13.4285714 | ||
| 6 | 736761 | 2636 | - | 2552 | = | 84 | * | (104 | / | 406) | = | 21.51724134 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Canada Elementary | 61 | ||||||||||||
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 | 23200 | 2513 | - | 2436 | = | 77 | * | (83 | / | 395) | = | 16.17974681 | ||
| 4 | 23203 | 2550 | - | 2485 | = | 65 | * | (83 | / | 395) | = | 13.65822783 | ||
| 5 | 23205 | 2598 | - | 2528 | = | 70 | * | (112 | / | 395) | = | 19.84810121 | ||
| 6 | 23206 | 2633 | - | 2552 | = | 81 | * | (117 | / | 395) | = | 23.99240501 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Canada Elementary | 74 | ||||||||||||
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 | 23660 | 2517 | - | 2436 | = | 81 | * | (103 | / | 394) | = | 21.17512684 | ||
| 4 | 23663 | 2576 | - | 2485 | = | 91 | * | (89 | / | 394) | = | 20.55583748 | ||
| 5 | 23664 | 2592 | - | 2528 | = | 64 | * | (88 | / | 394) | = | 14.29441619 | ||
| 6 | 23667 | 2626 | - | 2552 | = | 74 | * | (114 | / | 394) | = | 21.41116747 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Canada Elementary | 77 | ||||||||||||
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 | 23679 | 2517 | - | 2436 | = | 81 | * | (82 | / | 387) | = | 17.16279062 | ||
| 4 | 23680 | 2583 | - | 2485 | = | 98 | * | (111 | / | 387) | = | 28.10852709 | ||
| 5 | 23683 | 2615 | - | 2528 | = | 87 | * | (88 | / | 387) | = | 19.78294566 | ||
| 6 | 23684 | 2642 | - | 2552 | = | 90 | * | (106 | / | 387) | = | 24.65116272 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Canada Elementary | 90 | ||||||||||||
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 | 23853 | 2520 | - | 2436 | = | 84 | * | (86 | / | 373) | = | 19.36729217 | ||
| 4 | 23854 | 2581 | - | 2485 | = | 96 | * | (84 | / | 373) | = | 21.61930291 | ||
| 5 | 23855 | 2627 | - | 2528 | = | 99 | * | (112 | / | 373) | = | 29.7265415 | ||
| 6 | 23856 | 2638 | - | 2552 | = | 86 | * | (91 | / | 373) | = | 20.98123321 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Canada Elementary | 92 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 61 | 74 | 77 | 90 | 92 | 394.0 | 78.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 114.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 42.8
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 | 2% | 2% | 1% | 3% | 3% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
La Canada 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.
La Canada Elementary math proficiency
Zero+ meets standard.
1% less $meal
2% less $meal
1% less $meal
3% less $meal
3% 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 La Canada Unified (3)
| La Canada Elementary | Palm Crest Elementary | Paradise Canyon Elementary |