Stonegate Elementary (Data source)
Source data for Stonegate 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 | 1578952 | 2511 | - | 2436 | = | 75 | * | (177 | / | 664) | = | 19.99246988 | ||
| 4 | 1578953 | 2555 | - | 2485 | = | 70 | * | (165 | / | 664) | = | 17.39457825 | ||
| 5 | 1578956 | 2586 | - | 2528 | = | 58 | * | (159 | / | 664) | = | 13.8885542 | ||
| 6 | 1578957 | 2640 | - | 2552 | = | 88 | * | (163 | / | 664) | = | 21.60240958 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Stonegate Elementary | 73 | ||||||||||||
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 | 49406 | 2510 | - | 2436 | = | 74 | * | (160 | / | 625) | = | 18.944 | ||
| 4 | 49408 | 2555 | - | 2485 | = | 70 | * | (134 | / | 625) | = | 15.008 | ||
| 5 | 49411 | 2577 | - | 2528 | = | 49 | * | (168 | / | 625) | = | 13.1712 | ||
| 6 | 49413 | 2641 | - | 2552 | = | 89 | * | (163 | / | 625) | = | 23.2112 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Stonegate 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 | 50770 | 2503 | - | 2436 | = | 67 | * | (165 | / | 618) | = | 17.8883495 | ||
| 4 | 50772 | 2549 | - | 2485 | = | 64 | * | (154 | / | 618) | = | 15.94822003 | ||
| 5 | 50774 | 2588 | - | 2528 | = | 60 | * | (130 | / | 618) | = | 12.62135922 | ||
| 6 | 50776 | 2631 | - | 2552 | = | 79 | * | (169 | / | 618) | = | 21.60355986 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Stonegate Elementary | 68 | ||||||||||||
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 | 50806 | 2515 | - | 2436 | = | 79 | * | (167 | / | 627) | = | 21.04146727 | ||
| 4 | 50809 | 2544 | - | 2485 | = | 59 | * | (156 | / | 627) | = | 14.67942579 | ||
| 5 | 50810 | 2591 | - | 2528 | = | 63 | * | (165 | / | 627) | = | 16.57894732 | ||
| 6 | 50813 | 2634 | - | 2552 | = | 82 | * | (139 | / | 627) | = | 18.17862838 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Stonegate Elementary | 70 | ||||||||||||
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 | 51014 | 2505 | - | 2436 | = | 69 | * | (150 | / | 631) | = | 16.40253565 | ||
| 4 | 51015 | 2558 | - | 2485 | = | 73 | * | (164 | / | 631) | = | 18.97305858 | ||
| 5 | 51016 | 2575 | - | 2528 | = | 47 | * | (147 | / | 631) | = | 10.9492868 | ||
| 6 | 51017 | 2632 | - | 2552 | = | 80 | * | (170 | / | 631) | = | 21.55309032 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Stonegate Elementary | 68 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 73 | 70 | 68 | 70 | 68 | 349.0 | 69.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 75.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 63.8
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 | 7% | 10% | 8% | 11% | 13% |
| 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.
Stonegate Elementary math proficiency
Zero+ meets standard.
5% less $meal
6% less $meal
6% less $meal
10% less $meal
12% 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.