Strawberry Point Elementary (Data source)
Source data for Strawberry Point 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 | 1250630 | 2476 | - | 2436 | = | 40 | * | (61 | / | 220) | = | 11.09090908 | ||
4 | 1250633 | 2531 | - | 2485 | = | 46 | * | (79 | / | 220) | = | 16.51818181 | ||
5 | 1250634 | 2566 | - | 2528 | = | 38 | * | (80 | / | 220) | = | 13.81818179 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Strawberry Point Elementary | 41 |
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 | 38998 | 2493 | - | 2436 | = | 57 | * | (67 | / | 209) | = | 18.27272723 | ||
4 | 39001 | 2539 | - | 2485 | = | 54 | * | (64 | / | 209) | = | 16.53588513 | ||
5 | 39003 | 2577 | - | 2528 | = | 49 | * | (78 | / | 209) | = | 18.28708131 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Strawberry Point Elementary | 53 |
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 | 39972 | 2497 | - | 2436 | = | 61 | * | (56 | / | 207) | = | 16.5024154 | ||
4 | 39973 | 2526 | - | 2485 | = | 41 | * | (81 | / | 207) | = | 16.04347823 | ||
5 | 39975 | 2568 | - | 2528 | = | 40 | * | (70 | / | 207) | = | 13.52657004 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Strawberry Point 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 | 39999 | 2495 | - | 2436 | = | 59 | * | (49 | / | 178) | = | 16.24157298 | ||
4 | 40000 | 2557 | - | 2485 | = | 72 | * | (51 | / | 178) | = | 20.62921342 | ||
5 | 40003 | 2565 | - | 2528 | = | 37 | * | (78 | / | 178) | = | 16.21348314 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Strawberry Point Elementary | 53 |
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 | 40152 | 2496 | - | 2436 | = | 60 | * | (53 | / | 152) | = | 20.9210526 | ||
4 | 40153 | 2558 | - | 2485 | = | 73 | * | (49 | / | 152) | = | 23.53289473 | ||
5 | 40154 | 2581 | - | 2528 | = | 53 | * | (50 | / | 152) | = | 17.4342105 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Strawberry Point Elementary | 62 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
41 | 53 | 46 | 53 | 62 | 255.0 | 51.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 72.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 30.0
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 | 10% | 9% | 9% | 10% | 11% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Mill Valley Elementary school district County of Marin
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.
Strawberry Point Elementary math proficiency
Zero+ meets standard.
8% less $meal
6% less $meal
6% less $meal
10% less $meal
10% 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.
Elementary School (Public) schools in Mill Valley Elementary (5)
Edna Maguire Elementary | Old Mill Elementary | Park Elementary |
Strawberry Point Elementary | Tamalpais Valley Elementary |