Pomerado Elementary (Data source)
Source data for Pomerado 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 | 2206953 | 2442 | - | 2436 | = | 6 | * | (74 | / | 219) | = | 2.02739726 | ||
4 | 2206954 | 2493 | - | 2485 | = | 8 | * | (79 | / | 219) | = | 2.88584474 | ||
5 | 2206956 | 2504 | - | 2528 | = | -24 | * | (66 | / | 219) | = | -7.23287671 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Pomerado Elementary | -2 |
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 | 67746 | 2435 | - | 2436 | = | -1 | * | (67 | / | 212) | = | -0.31603774 | ||
4 | 67748 | 2494 | - | 2485 | = | 9 | * | (67 | / | 212) | = | 2.84433962 | ||
5 | 67749 | 2518 | - | 2528 | = | -10 | * | (78 | / | 212) | = | -3.67924528 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Pomerado Elementary | -1 |
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 | 69546 | 2427 | - | 2436 | = | -9 | * | (59 | / | 191) | = | -2.78010471 | ||
4 | 69549 | 2475 | - | 2485 | = | -10 | * | (64 | / | 191) | = | -3.35078534 | ||
5 | 69551 | 2542 | - | 2528 | = | 14 | * | (68 | / | 191) | = | 4.98429319 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Pomerado Elementary | -1 |
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 | 69710 | 2434 | - | 2436 | = | -2 | * | (46 | / | 170) | = | -0.54117647 | ||
4 | 69712 | 2499 | - | 2485 | = | 14 | * | (56 | / | 170) | = | 4.6117647 | ||
5 | 69714 | 2515 | - | 2528 | = | -13 | * | (68 | / | 170) | = | -5.2 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Pomerado Elementary | -1 |
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 | 70231 | 2460 | - | 2436 | = | 24 | * | (51 | / | 155) | = | 7.89677419 | ||
4 | 70232 | 2505 | - | 2485 | = | 20 | * | (49 | / | 155) | = | 6.32258064 | ||
5 | 70233 | 2528 | - | 2528 | = | 0 | * | (55 | / | 155) | = | 0.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Pomerado Elementary | 14 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-2 | -1 | -1 | -1 | 14 | 9.0 | 1.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 19.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -16.2
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 | 43% | 44% | 40% | 45% | 44% |
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, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Pomerado Elementary math proficiency
Zero+ meets standard.

31% less $meal

35% less $meal

29% less $meal

35% less $meal

37% 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.