Mill Valley Middle (Data source)
Source data for Mill Valley Middle
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 |
||
6 | 1251106 | 2593 | - | 2552 | = | 41 | * | (324 | / | 973) | = | 13.65262075 | ||
7 | 1251109 | 2616 | - | 2567 | = | 49 | * | (338 | / | 973) | = | 17.02158271 | ||
8 | 1251110 | 2635 | - | 2586 | = | 49 | * | (311 | / | 973) | = | 15.66187049 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mill Valley Middle | 46 |
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 |
||
6 | 39014 | 2589 | - | 2552 | = | 37 | * | (364 | / | 1038) | = | 12.9749518 | ||
7 | 39017 | 2617 | - | 2567 | = | 50 | * | (333 | / | 1038) | = | 16.0404624 | ||
8 | 39018 | 2663 | - | 2586 | = | 77 | * | (341 | / | 1038) | = | 25.29576103 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mill Valley Middle | 54 |
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 |
||
6 | 39988 | 2601 | - | 2552 | = | 49 | * | (331 | / | 1002) | = | 16.18662673 | ||
7 | 39989 | 2598 | - | 2567 | = | 31 | * | (359 | / | 1002) | = | 11.10678642 | ||
8 | 39992 | 2641 | - | 2586 | = | 55 | * | (312 | / | 1002) | = | 17.12574848 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mill Valley Middle | 44 |
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 |
||
6 | 40014 | 2589 | - | 2552 | = | 37 | * | (348 | / | 1010) | = | 12.74851484 | ||
7 | 40017 | 2627 | - | 2567 | = | 60 | * | (309 | / | 1010) | = | 18.35643564 | ||
8 | 40018 | 2647 | - | 2586 | = | 61 | * | (353 | / | 1010) | = | 21.31980195 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mill Valley Middle | 52 |
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 |
||
6 | 40168 | 2594 | - | 2552 | = | 42 | * | (374 | / | 1013) | = | 15.50641655 | ||
7 | 40169 | 2621 | - | 2567 | = | 54 | * | (340 | / | 1013) | = | 18.12438299 | ||
8 | 40170 | 2659 | - | 2586 | = | 73 | * | (299 | / | 1013) | = | 21.54689039 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mill Valley Middle | 55 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
46 | 54 | 44 | 52 | 55 | 251.0 | 50.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 62.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 38.2
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 | 6% | 5% | 5% | 6% | 6% |
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: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Mill Valley Middle math proficiency
Zero+ meets standard.

5% less $meal

4% less $meal

4% less $meal

6% less $meal

6% 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.
Intermediate/Middle Schools (Public) schools in Mill Valley Elementary (1)
Mill Valley Middle |