Montera Middle (Data source)
Source data for Montera 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 | 97043 | 2493 | - | 2552 | = | -59 | * | (271 | / | 845) | = | -18.92189348 | ||
| 7 | 97046 | 2503 | - | 2567 | = | -64 | * | (259 | / | 845) | = | -19.616568 | ||
| 8 | 97047 | 2538 | - | 2586 | = | -48 | * | (315 | / | 845) | = | -17.89349112 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Montera Middle | -56 | ||||||||||||
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 | 2742 | 2518 | - | 2552 | = | -34 | * | (252 | / | 760) | = | -11.2736842 | ||
| 7 | 2744 | 2512 | - | 2567 | = | -55 | * | (256 | / | 760) | = | -18.52631578 | ||
| 8 | 2746 | 2501 | - | 2586 | = | -85 | * | (252 | / | 760) | = | -28.1842105 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Montera Middle | -58 | ||||||||||||
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 | 2816 | 2491 | - | 2552 | = | -61 | * | (251 | / | 766) | = | -19.98825064 | ||
| 7 | 2817 | 2493 | - | 2567 | = | -74 | * | (267 | / | 766) | = | -25.79373363 | ||
| 8 | 2819 | 2524 | - | 2586 | = | -62 | * | (248 | / | 766) | = | -20.07310704 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Montera Middle | -66 | ||||||||||||
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 | 2820 | 2488 | - | 2552 | = | -64 | * | (258 | / | 737) | = | -22.40434189 | ||
| 7 | 2822 | 2491 | - | 2567 | = | -76 | * | (236 | / | 737) | = | -24.3364993 | ||
| 8 | 2824 | 2507 | - | 2586 | = | -79 | * | (243 | / | 737) | = | -26.04748982 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Montera Middle | -73 | ||||||||||||
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 | 2841 | 2469 | - | 2552 | = | -83 | * | (206 | / | 676) | = | -25.29289934 | ||
| 7 | 2842 | 2481 | - | 2567 | = | -86 | * | (248 | / | 676) | = | -31.55029583 | ||
| 8 | 2843 | 2492 | - | 2586 | = | -94 | * | (222 | / | 676) | = | -30.8698224 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Montera Middle | -88 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -56 | -58 | -66 | -73 | -88 | -341.0 | -68.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -32.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -104.2
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 | 57% | 50% | 49% | 54% | 54% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oakland Unified school district | County of Alameda
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.
Montera Middle math proficiency
Zero+ meets standard.
47% less $meal
44% less $meal
44% less $meal
47% less $meal
48% 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.