Del Sur Elementary (Data source)
Source data for Del Sur 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 | 2203563 | 2502 | - | 2436 | = | 66 | * | (104 | / | 249) | = | 27.56626501 | ||
4 | 2203564 | 2554 | - | 2485 | = | 69 | * | (76 | / | 249) | = | 21.06024093 | ||
5 | 2203567 | 2581 | - | 2528 | = | 53 | * | (69 | / | 249) | = | 14.68674695 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Del Sur Elementary | 63 |
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 | 67669 | 2507 | - | 2436 | = | 71 | * | (106 | / | 291) | = | 25.86254293 | ||
4 | 67672 | 2553 | - | 2485 | = | 68 | * | (106 | / | 291) | = | 24.76975942 | ||
5 | 67674 | 2593 | - | 2528 | = | 65 | * | (79 | / | 291) | = | 17.6460481 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Del Sur Elementary | 68 |
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 | 69452 | 2523 | - | 2436 | = | 87 | * | (131 | / | 358) | = | 31.83519547 | ||
4 | 69454 | 2553 | - | 2485 | = | 68 | * | (118 | / | 358) | = | 22.41340778 | ||
5 | 69457 | 2581 | - | 2528 | = | 53 | * | (109 | / | 358) | = | 16.13687147 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Del Sur Elementary | 70 |
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 | 69616 | 2509 | - | 2436 | = | 73 | * | (151 | / | 420) | = | 26.24523806 | ||
4 | 69618 | 2563 | - | 2485 | = | 78 | * | (151 | / | 420) | = | 28.0428571 | ||
5 | 69620 | 2590 | - | 2528 | = | 62 | * | (118 | / | 420) | = | 17.41904756 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Del Sur Elementary | 72 |
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 | 70137 | 2505 | - | 2436 | = | 69 | * | (132 | / | 430) | = | 21.18139534 | ||
4 | 70138 | 2545 | - | 2485 | = | 60 | * | (152 | / | 430) | = | 21.20930232 | ||
5 | 70139 | 2605 | - | 2528 | = | 77 | * | (146 | / | 430) | = | 26.14418599 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Del Sur Elementary | 69 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
63 | 68 | 70 | 72 | 69 | 342.0 | 68.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 77.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 59.4
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 | 12% | 9% | 7% | 9% | 8% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Poway Unified school district | County of San Diego
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.
Del Sur Elementary math proficiency
Zero+ meets standard.
10% less $meal
8% less $meal
6% less $meal
8% less $meal
7% 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.