Juan Cabrillo Middle (Data source)
Source data for Juan Cabrillo 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 | 2721296 | 2503 | - | 2552 | = | -49 | * | (270 | / | 824) | = | -16.0558252 | ||
| 7 | 2721297 | 2536 | - | 2567 | = | -31 | * | (283 | / | 824) | = | -10.64684463 | ||
| 8 | 2721300 | 2522 | - | 2586 | = | -64 | * | (271 | / | 824) | = | -21.04854368 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Juan Cabrillo Middle | -48 | ||||||||||||
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 | 82798 | 2508 | - | 2552 | = | -44 | * | (288 | / | 880) | = | -14.39999999 | ||
| 7 | 82800 | 2553 | - | 2567 | = | -14 | * | (308 | / | 880) | = | -4.9 | ||
| 8 | 82803 | 2568 | - | 2586 | = | -18 | * | (284 | / | 880) | = | -5.8090909 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Juan Cabrillo Middle | -25 | ||||||||||||
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 | 85108 | 2492 | - | 2552 | = | -60 | * | (297 | / | 919) | = | -19.39064196 | ||
| 7 | 85110 | 2546 | - | 2567 | = | -21 | * | (309 | / | 919) | = | -7.0609358 | ||
| 8 | 85113 | 2562 | - | 2586 | = | -24 | * | (313 | / | 919) | = | -8.17410228 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Juan Cabrillo Middle | -35 | ||||||||||||
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 | 85326 | 2516 | - | 2552 | = | -36 | * | (255 | / | 857) | = | -10.71178528 | ||
| 7 | 85329 | 2531 | - | 2567 | = | -36 | * | (312 | / | 857) | = | -13.10618434 | ||
| 8 | 85330 | 2576 | - | 2586 | = | -10 | * | (290 | / | 857) | = | -3.38389731 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Juan Cabrillo Middle | -27 | ||||||||||||
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 | 85922 | 2522 | - | 2552 | = | -30 | * | (280 | / | 870) | = | -9.6551724 | ||
| 7 | 85923 | 2569 | - | 2567 | = | 2 | * | (284 | / | 870) | = | 0.65287356 | ||
| 8 | 85924 | 2556 | - | 2586 | = | -30 | * | (306 | / | 870) | = | -10.55172411 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Juan Cabrillo Middle | -20 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -48 | -25 | -35 | -27 | -20 | -155.0 | -31.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -1.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.0
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 | 56% | 53% | 51% | 53% | 48% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Clara Unified 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.
Juan Cabrillo Middle math proficiency
Zero+ meets standard.
44% less $meal
40% less $meal
38% less $meal
44% less $meal
40% 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 Santa Clara Unified (3)
| Buchser Middle | Juan Cabrillo Middle | Marian A. Peterson Middle |