Brywood Elementary (Data source)
Source data for Brywood 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 | 1581592 | 2471 | - | 2436 | = | 35 | * | (72 | / | 389) | = | 6.47814909 | ||
| 4 | 1581593 | 2549 | - | 2485 | = | 64 | * | (101 | / | 389) | = | 16.61696653 | ||
| 5 | 1581596 | 2592 | - | 2528 | = | 64 | * | (104 | / | 389) | = | 17.11053984 | ||
| 6 | 1581597 | 2606 | - | 2552 | = | 54 | * | (112 | / | 389) | = | 15.5475578 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Brywood Elementary | 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 |
||
| 3 | 49489 | 2491 | - | 2436 | = | 55 | * | (72 | / | 377) | = | 10.50397876 | ||
| 4 | 49490 | 2551 | - | 2485 | = | 66 | * | (103 | / | 377) | = | 18.03183023 | ||
| 5 | 49493 | 2606 | - | 2528 | = | 78 | * | (99 | / | 377) | = | 20.48275858 | ||
| 6 | 49495 | 2629 | - | 2552 | = | 77 | * | (103 | / | 377) | = | 21.03713527 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Brywood Elementary | 70 | ||||||||||||
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 | 50853 | 2501 | - | 2436 | = | 65 | * | (60 | / | 345) | = | 11.3043478 | ||
| 4 | 50854 | 2562 | - | 2485 | = | 77 | * | (89 | / | 345) | = | 19.86376808 | ||
| 5 | 50856 | 2607 | - | 2528 | = | 79 | * | (98 | / | 345) | = | 22.44057971 | ||
| 6 | 50858 | 2647 | - | 2552 | = | 95 | * | (98 | / | 345) | = | 26.98550725 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Brywood Elementary | 81 | ||||||||||||
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 | 50888 | 2484 | - | 2436 | = | 48 | * | (68 | / | 366) | = | 8.91803275 | ||
| 4 | 50891 | 2561 | - | 2485 | = | 76 | * | (94 | / | 366) | = | 19.51912568 | ||
| 5 | 50892 | 2576 | - | 2528 | = | 48 | * | (97 | / | 366) | = | 12.72131146 | ||
| 6 | 50895 | 2626 | - | 2552 | = | 74 | * | (107 | / | 366) | = | 21.63387972 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Brywood Elementary | 63 | ||||||||||||
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 | 51096 | 2477 | - | 2436 | = | 41 | * | (66 | / | 368) | = | 7.35326087 | ||
| 4 | 51097 | 2537 | - | 2485 | = | 52 | * | (104 | / | 368) | = | 14.69565214 | ||
| 5 | 51098 | 2601 | - | 2528 | = | 73 | * | (93 | / | 368) | = | 18.44836954 | ||
| 6 | 51099 | 2619 | - | 2552 | = | 67 | * | (105 | / | 368) | = | 19.11684776 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Brywood Elementary | 60 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 56 | 70 | 81 | 63 | 60 | 330.0 | 66.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 93.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 39.0
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% | 15% | 11% | 15% | 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.
Brywood Elementary math proficiency
Zero+ meets standard.
11% less $meal
11% less $meal
8% less $meal
14% less $meal
17% 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.