Cragmont Elementary (Data source)
Source data for Cragmont Elementary
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 |
||
| 3 | 17865 | 2422 | - | 2436 | = | -14 | * | (65 | / | 198) | = | -4.59595959 | ||
| 4 | 17868 | 2499 | - | 2485 | = | 14 | * | (64 | / | 198) | = | 4.52525252 | ||
| 5 | 17869 | 2525 | - | 2528 | = | -3 | * | (69 | / | 198) | = | -1.04545454 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Cragmont Elementary | -1 | ||||||||||||
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 |
||
| 3 | 487 | 2478 | - | 2436 | = | 42 | * | (79 | / | 200) | = | 16.59 | ||
| 4 | 489 | 2497 | - | 2485 | = | 12 | * | (56 | / | 200) | = | 3.36 | ||
| 5 | 491 | 2547 | - | 2528 | = | 19 | * | (65 | / | 200) | = | 6.175 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Cragmont Elementary | 26 | ||||||||||||
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 |
||
| 3 | 512 | 2464 | - | 2436 | = | 28 | * | (75 | / | 211) | = | 9.95260661 | ||
| 4 | 514 | 2504 | - | 2485 | = | 19 | * | (74 | / | 211) | = | 6.6635071 | ||
| 5 | 515 | 2522 | - | 2528 | = | -6 | * | (62 | / | 211) | = | -1.76303317 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Cragmont Elementary | 15 | ||||||||||||
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 |
||
| 3 | 536 | 2460 | - | 2436 | = | 24 | * | (69 | / | 219) | = | 7.56164383 | ||
| 4 | 537 | 2485 | - | 2485 | = | 0 | * | (76 | / | 219) | = | 0.0 | ||
| 5 | 539 | 2527 | - | 2528 | = | -1 | * | (74 | / | 219) | = | -0.33789954 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Cragmont Elementary | 7 | ||||||||||||
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 |
||
| 3 | 563 | 2465 | - | 2436 | = | 29 | * | (54 | / | 192) | = | 8.15625 | ||
| 4 | 564 | 2492 | - | 2485 | = | 7 | * | (60 | / | 192) | = | 2.1875 | ||
| 5 | 565 | 2533 | - | 2528 | = | 5 | * | (78 | / | 192) | = | 2.03125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Cragmont Elementary | 12 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -1 | 26 | 15 | 7 | 12 | 59.0 | 11.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 38.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -15.2
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 | 40% | 38% | 34% | 35% | 31% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Berkeley 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.
Cragmont Elementary math proficiency
Zero+ meets standard.
34% less $meal
31% less $meal
28% less $meal
32% less $meal
28% 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.