Springbrook Elementary (Data source)
Source data for Springbrook 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 | 1582258 | 2462 | - | 2436 | = | 26 | * | (119 | / | 362) | = | 8.54696131 | ||
| 4 | 1582259 | 2499 | - | 2485 | = | 14 | * | (84 | / | 362) | = | 3.24861877 | ||
| 5 | 1582262 | 2523 | - | 2528 | = | -5 | * | (81 | / | 362) | = | -1.11878453 | ||
| 6 | 1582263 | 2581 | - | 2552 | = | 29 | * | (78 | / | 362) | = | 6.24861878 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Springbrook Elementary | 17 | ||||||||||||
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 | 49508 | 2473 | - | 2436 | = | 37 | * | (92 | / | 357) | = | 9.535014 | ||
| 4 | 49511 | 2501 | - | 2485 | = | 16 | * | (101 | / | 357) | = | 4.52661064 | ||
| 5 | 49512 | 2536 | - | 2528 | = | 8 | * | (81 | / | 357) | = | 1.81512605 | ||
| 6 | 49514 | 2561 | - | 2552 | = | 9 | * | (83 | / | 357) | = | 2.09243697 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Springbrook Elementary | 18 | ||||||||||||
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 | 50873 | 2468 | - | 2436 | = | 32 | * | (91 | / | 344) | = | 8.46511626 | ||
| 4 | 50875 | 2505 | - | 2485 | = | 20 | * | (68 | / | 344) | = | 3.95348836 | ||
| 5 | 50877 | 2547 | - | 2528 | = | 19 | * | (103 | / | 344) | = | 5.68895348 | ||
| 6 | 50878 | 2555 | - | 2552 | = | 3 | * | (82 | / | 344) | = | 0.71511628 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Springbrook Elementary | 19 | ||||||||||||
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 | 50908 | 2476 | - | 2436 | = | 40 | * | (86 | / | 338) | = | 10.17751476 | ||
| 4 | 50911 | 2494 | - | 2485 | = | 9 | * | (82 | / | 338) | = | 2.18343195 | ||
| 5 | 50912 | 2534 | - | 2528 | = | 6 | * | (65 | / | 338) | = | 1.15384615 | ||
| 6 | 50915 | 2579 | - | 2552 | = | 27 | * | (105 | / | 338) | = | 8.38757395 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Springbrook Elementary | 22 | ||||||||||||
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 | 51116 | 2477 | - | 2436 | = | 41 | * | (80 | / | 287) | = | 11.4285714 | ||
| 4 | 51117 | 2511 | - | 2485 | = | 26 | * | (69 | / | 287) | = | 6.25087107 | ||
| 5 | 51118 | 2529 | - | 2528 | = | 1 | * | (76 | / | 287) | = | 0.26480836 | ||
| 6 | 51119 | 2575 | - | 2552 | = | 23 | * | (62 | / | 287) | = | 4.9686411 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Springbrook Elementary | 23 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 17 | 18 | 19 | 22 | 23 | 99.0 | 19.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 13.8
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% | 19% | 21% | 24% | 25% |
| 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.
Springbrook Elementary math proficiency
Zero+ meets standard.
13% less $meal
14% less $meal
15% less $meal
20% less $meal
22% 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.