Arroyo Vista Middle (Data source)
Source data for Arroyo Vista Middle
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 |
||
6 | 1431685 | 2581 | - | 2552 | = | 29 | * | (126 | / | 404) | = | 9.04455445 | ||
7 | 1431688 | 2597 | - | 2567 | = | 30 | * | (133 | / | 404) | = | 9.8762376 | ||
8 | 1431689 | 2609 | - | 2586 | = | 23 | * | (145 | / | 404) | = | 8.25495049 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Arroyo Vista Middle | 27 |
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 |
||
6 | 45083 | 2578 | - | 2552 | = | 26 | * | (126 | / | 375) | = | 8.736 | ||
7 | 45085 | 2599 | - | 2567 | = | 32 | * | (127 | / | 375) | = | 10.83733331 | ||
8 | 45087 | 2636 | - | 2586 | = | 50 | * | (122 | / | 375) | = | 16.26666665 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Arroyo Vista Middle | 36 |
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 |
||
6 | 46284 | 2578 | - | 2552 | = | 26 | * | (134 | / | 387) | = | 9.00258395 | ||
7 | 46287 | 2618 | - | 2567 | = | 51 | * | (129 | / | 387) | = | 16.99999998 | ||
8 | 46289 | 2646 | - | 2586 | = | 60 | * | (124 | / | 387) | = | 19.22480616 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Arroyo Vista Middle | 45 |
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 |
||
6 | 46294 | 2589 | - | 2552 | = | 37 | * | (130 | / | 391) | = | 12.30179027 | ||
7 | 46297 | 2619 | - | 2567 | = | 52 | * | (132 | / | 391) | = | 17.55498716 | ||
8 | 46298 | 2645 | - | 2586 | = | 59 | * | (129 | / | 391) | = | 19.46547311 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Arroyo Vista Middle | 49 |
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 |
||
6 | 46469 | 2597 | - | 2552 | = | 45 | * | (130 | / | 398) | = | 14.69849243 | ||
7 | 46470 | 2621 | - | 2567 | = | 54 | * | (133 | / | 398) | = | 18.04522612 | ||
8 | 46471 | 2648 | - | 2586 | = | 62 | * | (135 | / | 398) | = | 21.0301507 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Arroyo Vista Middle | 54 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
27 | 36 | 45 | 49 | 54 | 211.0 | 42.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 72.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 12.2
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 | 8% | 10% | 10% | 13% | 15% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Capistrano Unified school district County of Orange
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.
Arroyo Vista Middle math proficiency
Zero+ meets standard.
5% less $meal
8% less $meal
6% less $meal
12% less $meal
14% 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.