Chaboya Middle (Data source)
Source data for Chaboya 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 |
||
| 7 | 2651341 | 2640 | - | 2567 | = | 73 | * | (554 | / | 1121) | = | 36.07671717 | ||
| 8 | 2651342 | 2663 | - | 2586 | = | 77 | * | (567 | / | 1121) | = | 38.94647634 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Chaboya Middle | 75 | ||||||||||||
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 | 80822 | 2655 | - | 2567 | = | 88 | * | (586 | / | 1132) | = | 45.55477027 | ||
| 8 | 80824 | 2667 | - | 2586 | = | 81 | * | (546 | / | 1132) | = | 39.06890456 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Chaboya Middle | 85 | ||||||||||||
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 | 83051 | 2648 | - | 2567 | = | 81 | * | (563 | / | 1140) | = | 40.00263157 | ||
| 8 | 83053 | 2676 | - | 2586 | = | 90 | * | (577 | / | 1140) | = | 45.5526315 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Chaboya Middle | 86 | ||||||||||||
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 | 83267 | 2648 | - | 2567 | = | 81 | * | (535 | / | 1097) | = | 39.50319051 | ||
| 8 | 83270 | 2676 | - | 2586 | = | 90 | * | (562 | / | 1097) | = | 46.10756601 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Chaboya Middle | 86 | ||||||||||||
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 | 83879 | 2652 | - | 2567 | = | 85 | * | (572 | / | 1092) | = | 44.52380946 | ||
| 8 | 83880 | 2678 | - | 2586 | = | 92 | * | (520 | / | 1092) | = | 43.80952379 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Chaboya Middle | 88 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 75 | 85 | 86 | 86 | 88 | 420.0 | 84.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 99.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 69.0
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 | 14% | 11% | 10% | 11% | 12% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Evergreen Elementary school district | County of Santa Clara
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.
Chaboya Middle math proficiency
Zero+ meets standard.
11% less $meal
9% less $meal
8% less $meal
9% less $meal
10% 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.
Junior High Schools (Public) schools in Evergreen Elementary (1)
| Chaboya Middle |