Center Middle (Data source)
Source data for Center 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 | 621198 | 2449 | - | 2552 | = | -103 | * | (173 | / | 555) | = | -32.10630623 | ||
7 | 621199 | 2464 | - | 2567 | = | -103 | * | (179 | / | 555) | = | -33.21981977 | ||
8 | 621202 | 2503 | - | 2586 | = | -83 | * | (203 | / | 555) | = | -30.3585585 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Center Middle | -96 |
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 | 19849 | 2437 | - | 2552 | = | -115 | * | (156 | / | 496) | = | -36.16935484 | ||
7 | 19852 | 2470 | - | 2567 | = | -97 | * | (163 | / | 496) | = | -31.8770161 | ||
8 | 19854 | 2503 | - | 2586 | = | -83 | * | (177 | / | 496) | = | -29.61895155 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Center Middle | -98 |
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 | 20161 | 2445 | - | 2552 | = | -107 | * | (148 | / | 454) | = | -34.88105722 | ||
7 | 20164 | 2490 | - | 2567 | = | -77 | * | (154 | / | 454) | = | -26.1189427 | ||
8 | 20166 | 2497 | - | 2586 | = | -89 | * | (152 | / | 454) | = | -29.79735682 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Center Middle | -91 |
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 | 20162 | 2457 | - | 2552 | = | -95 | * | (143 | / | 426) | = | -31.88967135 | ||
7 | 20165 | 2488 | - | 2567 | = | -79 | * | (131 | / | 426) | = | -24.29342722 | ||
8 | 20166 | 2519 | - | 2586 | = | -67 | * | (152 | / | 426) | = | -23.90610324 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Center Middle | -80 |
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 | 20340 | 2452 | - | 2552 | = | -100 | * | (149 | / | 432) | = | -34.4907407 | ||
7 | 20341 | 2478 | - | 2567 | = | -89 | * | (146 | / | 432) | = | -30.07870362 | ||
8 | 20342 | 2513 | - | 2586 | = | -73 | * | (137 | / | 432) | = | -23.15046292 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Center Middle | -88 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-96 | -98 | -91 | -80 | -88 | -453.0 | -90.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -69.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -111.6
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 | 89% | 85% | 85% | 90% | 90% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Azusa 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.
Center Middle math proficiency
Zero+ meets standard.
78% less $meal
75% less $meal
73% less $meal
81% less $meal
80% 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.
Intermediate/Middle Schools (Public) schools in Azusa Unified (3)
Center Middle | Foothill Middle | Slauson Intermediate |