Bonita Canyon Elementary (Data source)
Source data for Bonita Canyon 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 | 1579556 | 2498 | - | 2436 | = | 62 | * | (82 | / | 305) | = | 16.66885246 | ||
| 4 | 1579557 | 2543 | - | 2485 | = | 58 | * | (66 | / | 305) | = | 12.55081964 | ||
| 5 | 1579560 | 2564 | - | 2528 | = | 36 | * | (80 | / | 305) | = | 9.44262292 | ||
| 6 | 1579561 | 2597 | - | 2552 | = | 45 | * | (77 | / | 305) | = | 11.36065572 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Bonita Canyon Elementary | 50 | ||||||||||||
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 | 49427 | 2504 | - | 2436 | = | 68 | * | (84 | / | 316) | = | 18.07594931 | ||
| 4 | 49428 | 2537 | - | 2485 | = | 52 | * | (79 | / | 316) | = | 13.0 | ||
| 5 | 49431 | 2573 | - | 2528 | = | 45 | * | (69 | / | 316) | = | 9.82594935 | ||
| 6 | 49433 | 2607 | - | 2552 | = | 55 | * | (84 | / | 316) | = | 14.62025312 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Bonita Canyon Elementary | 56 | ||||||||||||
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 | 50790 | 2485 | - | 2436 | = | 49 | * | (61 | / | 276) | = | 10.82971011 | ||
| 4 | 50793 | 2529 | - | 2485 | = | 44 | * | (81 | / | 276) | = | 12.91304344 | ||
| 5 | 50794 | 2557 | - | 2528 | = | 29 | * | (71 | / | 276) | = | 7.4601449 | ||
| 6 | 50797 | 2617 | - | 2552 | = | 65 | * | (63 | / | 276) | = | 14.83695649 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Bonita Canyon Elementary | 46 | ||||||||||||
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 | 50827 | 2495 | - | 2436 | = | 59 | * | (51 | / | 260) | = | 11.57307691 | ||
| 4 | 50828 | 2506 | - | 2485 | = | 21 | * | (63 | / | 260) | = | 5.08846153 | ||
| 5 | 50831 | 2555 | - | 2528 | = | 27 | * | (81 | / | 260) | = | 8.41153845 | ||
| 6 | 50832 | 2603 | - | 2552 | = | 51 | * | (65 | / | 260) | = | 12.75 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Bonita Canyon Elementary | 38 | ||||||||||||
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 | 51034 | 2474 | - | 2436 | = | 38 | * | (60 | / | 279) | = | 8.17204299 | ||
| 4 | 51035 | 2496 | - | 2485 | = | 11 | * | (53 | / | 279) | = | 2.08960573 | ||
| 5 | 51036 | 2544 | - | 2528 | = | 16 | * | (73 | / | 279) | = | 4.18637992 | ||
| 6 | 51037 | 2603 | - | 2552 | = | 51 | * | (93 | / | 279) | = | 16.99999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Bonita Canyon Elementary | 31 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 50 | 56 | 46 | 38 | 31 | 221.0 | 44.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 71.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 17.2
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 | 4% | 5% | 4% | 9% | 11% |
| 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.
Bonita Canyon Elementary math proficiency
Zero+ meets standard.
4% less $meal
4% less $meal
3% less $meal
9% less $meal
11% 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.