Deerfield Elementary (Data source)
Source data for Deerfield 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 | 1578611 | 2493 | - | 2436 | = | 57 | * | (89 | / | 384) | = | 13.21093748 | ||
| 4 | 1578614 | 2540 | - | 2485 | = | 55 | * | (97 | / | 384) | = | 13.89322913 | ||
| 5 | 1578615 | 2581 | - | 2528 | = | 53 | * | (98 | / | 384) | = | 13.52604165 | ||
| 6 | 1578618 | 2623 | - | 2552 | = | 71 | * | (100 | / | 384) | = | 18.48958329 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Deerfield Elementary | 59 | ||||||||||||
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 | 49397 | 2465 | - | 2436 | = | 29 | * | (81 | / | 376) | = | 6.2473404 | ||
| 4 | 49399 | 2571 | - | 2485 | = | 86 | * | (99 | / | 376) | = | 22.64361699 | ||
| 5 | 49400 | 2573 | - | 2528 | = | 45 | * | (98 | / | 376) | = | 11.72872337 | ||
| 6 | 49403 | 2648 | - | 2552 | = | 96 | * | (98 | / | 376) | = | 25.02127651 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Deerfield Elementary | 66 | ||||||||||||
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 | 50760 | 2475 | - | 2436 | = | 39 | * | (90 | / | 388) | = | 9.04639172 | ||
| 4 | 50763 | 2545 | - | 2485 | = | 60 | * | (98 | / | 388) | = | 15.15463914 | ||
| 5 | 50764 | 2601 | - | 2528 | = | 73 | * | (100 | / | 388) | = | 18.81443293 | ||
| 6 | 50766 | 2638 | - | 2552 | = | 86 | * | (100 | / | 388) | = | 22.16494839 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Deerfield Elementary | 65 | ||||||||||||
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 | 50796 | 2474 | - | 2436 | = | 38 | * | (86 | / | 380) | = | 8.59999998 | ||
| 4 | 50799 | 2556 | - | 2485 | = | 71 | * | (94 | / | 380) | = | 17.56315789 | ||
| 5 | 50800 | 2578 | - | 2528 | = | 50 | * | (102 | / | 380) | = | 13.4210526 | ||
| 6 | 50803 | 2647 | - | 2552 | = | 95 | * | (98 | / | 380) | = | 24.49999992 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Deerfield Elementary | 64 | ||||||||||||
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 | 51004 | 2475 | - | 2436 | = | 39 | * | (86 | / | 384) | = | 8.73437499 | ||
| 4 | 51005 | 2553 | - | 2485 | = | 68 | * | (101 | / | 384) | = | 17.88541664 | ||
| 5 | 51006 | 2572 | - | 2528 | = | 44 | * | (98 | / | 384) | = | 11.22916665 | ||
| 6 | 51007 | 2631 | - | 2552 | = | 79 | * | (99 | / | 384) | = | 20.3671875 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Deerfield Elementary | 58 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 59 | 66 | 65 | 64 | 58 | 312.0 | 62.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 71.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 53.4
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 | 17% | 18% | 16% | 18% | 18% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Irvine Unified school district | County of Orange
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.
Deerfield Elementary math proficiency
Zero+ meets standard.
13% less $meal
13% less $meal
12% less $meal
15% less $meal
16% 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.