La Canada High (Data source)
Source data for La Canada High
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 |
||
| 7 | 736470 | 2647 | - | 2567 | = | 80 | * | (339 | / | 1015) | = | 26.71921176 | ||
| 8 | 736471 | 2689 | - | 2586 | = | 103 | * | (341 | / | 1015) | = | 34.60394087 | ||
| 11 | 736474 | 2708 | - | 2628 | = | 80 | * | (335 | / | 1015) | = | 26.40394088 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Canada High | 88 | ||||||||||||
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 |
||
| 7 | 23192 | 2630 | - | 2567 | = | 63 | * | (332 | / | 992) | = | 21.0846774 | ||
| 8 | 23195 | 2687 | - | 2586 | = | 101 | * | (341 | / | 992) | = | 34.71875 | ||
| 11 | 23197 | 2725 | - | 2628 | = | 97 | * | (319 | / | 992) | = | 31.19254026 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Canada High | 87 | ||||||||||||
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 |
||
| 7 | 23643 | 2647 | - | 2567 | = | 80 | * | (344 | / | 1036) | = | 26.56370656 | ||
| 8 | 23645 | 2674 | - | 2586 | = | 88 | * | (347 | / | 1036) | = | 29.47490339 | ||
| 11 | 23646 | 2724 | - | 2628 | = | 96 | * | (345 | / | 1036) | = | 31.96911197 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Canada High | 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 |
||
| 7 | 23662 | 2660 | - | 2567 | = | 93 | * | (320 | / | 1010) | = | 29.46534652 | ||
| 8 | 23665 | 2677 | - | 2586 | = | 91 | * | (346 | / | 1010) | = | 31.17425739 | ||
| 11 | 23666 | 2724 | - | 2628 | = | 96 | * | (344 | / | 1010) | = | 32.69702966 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Canada High | 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 |
||
| 7 | 23834 | 2662 | - | 2567 | = | 95 | * | (359 | / | 1004) | = | 33.9691235 | ||
| 8 | 23835 | 2690 | - | 2586 | = | 104 | * | (320 | / | 1004) | = | 33.1474103 | ||
| 11 | 23836 | 2721 | - | 2628 | = | 93 | * | (325 | / | 1004) | = | 30.10458165 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Canada High | 97 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 88 | 87 | 88 | 93 | 97 | 453.0 | 90.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 102.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 78.6
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 | 1% | 1% | 2% | 6% | 5% |
| 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 High math proficiency
Zero+ meets standard.
1% less $meal
1% less $meal
1% less $meal
5% less $meal
5% 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.
High Schools (Public) schools in La Canada Unified (1)
| La Canada High |